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GIA Certified Oval Brilliant Loose Diamond 1.48ct
GIA Certified Oval Brilliant Loose Diamond 1.48ct

GIA Certified Oval Brilliant Loose Diamond 1.48ct

Located in Laguna Beach, CA

1.48-carat oval brilliant cut diamond. GIA graded H color, Vs1 clarity. Measures 7.89 x 6.31 x 4.51mm The grading report number is 1226958994. Comes with the original grading certifi...

Category

Mid-20th Century Loose Gemstones

Materials

Diamond

Loose Diamond - Oval 1.64ct GIA G VS2 Solitaire
Loose Diamond - Oval 1.64ct GIA G VS2 Solitaire

Loose Diamond - Oval 1.64ct GIA G VS2 Solitaire

Located in Greensboro, NC

Stone Information Diamond Carat(s): 1.64ct Cut: Oval Color: G Clarity: VS2 Size: 9.66 X 6.49 X 4.32mm Certified by: GIA Report Number: 11329949 Total Carats: 1.64ct Measurements ...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Oval 1.70 GIA D SI1 Solitaire
Loose Diamond - Oval 1.70 GIA D SI1 Solitaire

Loose Diamond - Oval 1.70 GIA D SI1 Solitaire

Located in Greensboro, NC

Stone Information Natural Diamond Carat(s): 1.70ct Cut: Oval Color: D Clarity: SI1 Size: 9.06 X 6.64 X 4.26mm Certified by: GIA Report Number: 6531699459 Total Carats: 1.70 Measur...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Oval .71ct GIA H SI2 Solitaire
Loose Diamond - Oval .71ct GIA H SI2 Solitaire

Loose Diamond - Oval .71ct GIA H SI2 Solitaire

Located in Greensboro, NC

Stone Information Natural Diamond Carat(s): 0.71ct Cut: Oval Color: H Clarity: SI2 Size: 7.30 X 4.65 X 3.04mm Certified by: GIA Report Number: 2233897497 Total Carats: .71ct Measu...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Oval 2.01ct GIA H SI2 Solitaire
Loose Diamond - Oval 2.01ct GIA H SI2 Solitaire

Loose Diamond - Oval 2.01ct GIA H SI2 Solitaire

Located in Greensboro, NC

Stone Information Natural Diamond Carat(s): 2.01ct Cut: Oval Color: H Clarity: SI2 Size: 9.23 X 6.89 X 4.67mm Certified by: GIA Report Number: 7538416276 Total Carats: 2.01ct Meas...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Oval 1.70ct GIA VVS2 I Solitaire
Loose Diamond - Oval 1.70ct GIA VVS2 I Solitaire

Loose Diamond - Oval 1.70ct GIA VVS2 I Solitaire

Located in Greensboro, NC

Stone Information Natural Diamond Carat(s): 1.70ct Cut: Oval Color: I Clarity: VVS2 Size: 9.00mm X 6.64mm X 4.24mm Certified by: GIA Report Number: 2484330116 Total Carats: 1.70ct ...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond Oval .90ct GIA G SI1 Solitaire
Loose Diamond Oval .90ct GIA G SI1 Solitaire

Loose Diamond Oval .90ct GIA G SI1 Solitaire

Located in Greensboro, NC

Stone Information Natural Diamond Carat(s): 0.90ct Cut: Oval Color: G Clarity: SI1 Certified by: GIA Report Number: 7276858773 Total Carats: .90ct Includes GIA Certification Condi...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond Oval 1.20ct GIA F SI1 Solitaire
Loose Diamond Oval 1.20ct GIA F SI1 Solitaire

Loose Diamond Oval 1.20ct GIA F SI1 Solitaire

Located in Greensboro, NC

Stone Information Natural Diamond Carat(s): 1.20ct Cut: Oval Color: F Clarity: SI1 Certified by: GIA Report Number: 5526891503 Total Carats: 1.20ct Measurements Includes GIA Cert...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Oval 1.51ct GIA G SI2 Solitaire
Loose Diamond - Oval 1.51ct GIA G SI2 Solitaire

Loose Diamond - Oval 1.51ct GIA G SI2 Solitaire

Located in Greensboro, NC

Carat(s): 1.51ct Cut: Oval Color: G Clarity: SI2 Certified by: GIA Report Number: 2517010713 Condition: New

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Oval 1.01ct GIA I SI1 Solitaire
Loose Diamond - Oval 1.01ct GIA I SI1 Solitaire

Loose Diamond - Oval 1.01ct GIA I SI1 Solitaire

Located in Greensboro, NC

Carat(s): 1.01ct Cut: Oval Color: I Clarity: SI1 Certified by: GIA Report Number: 6305044151 Condition: New

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

GIA Certified Oval Brilliant Cut Loose Diamond 1.18ct
GIA Certified Oval Brilliant Cut Loose Diamond 1.18ct

GIA Certified Oval Brilliant Cut Loose Diamond 1.18ct

Located in Laguna Beach, CA

Attractive oval brilliant cut diamond, 1.18 carats. GIA graded G color, VS2 clarity. GIA report number 2231308153. Comes with a full grading report.

Category

Late 20th Century Loose Gemstones

Materials

Diamond

Loose Diamond - Oval .80ct GIA F VVS2 Solitaire GIA
Loose Diamond - Oval .80ct GIA F VVS2 Solitaire GIA

Loose Diamond - Oval .80ct GIA F VVS2 Solitaire GIA

Located in Greensboro, NC

Carat(s): 0.80ct Cut: Oval Color: F Clarity: VVS2 Certified by: GIA Report Number: 3405155275 Condition: New

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

GIA Certified 0.62 Carat Fancy Brownish Orangy Pink Oval natural Diamond
GIA Certified 0.62 Carat Fancy Brownish Orangy Pink Oval natural Diamond

GIA Certified 0.62 Carat Fancy Brownish Orangy Pink Oval natural Diamond

By Ajami Diamonds

Located in Ramat Gan, IL

Offered is a rare GIA certified natural colored diamond weighing 0.62 carats, beautifully cut as Oval modified brilliant cut. This elegant gemstone displays a captivating Fancy Brown...

Category

2010s Loose Gemstones

Materials

Diamond

GIA Certified 1.27 Carat Fancy Vivid Yellow Oval Brilliant natural Diamond
GIA Certified 1.27 Carat Fancy Vivid Yellow Oval Brilliant natural Diamond

GIA Certified 1.27 Carat Fancy Vivid Yellow Oval Brilliant natural Diamond

By Ajami Diamonds

Located in Ramat Gan, IL

Offered is a rare GIA certified natural colored diamond weighing 1.27 carats, beautifully cut in an elegant oval brilliant cut. This exceptional gemstone exhibits a highly coveted Fa...

Category

2010s Loose Gemstones

Materials

Yellow Diamond

0.38ct Natural Loose Fancy Purplish Pink Diamond Argyle Australia GIA Oval
0.38ct Natural Loose Fancy Purplish Pink Diamond Argyle Australia GIA Oval

0.38ct Natural Loose Fancy Purplish Pink Diamond Argyle Australia GIA Oval

Located in New York, NY

DIAMOND INFORMATION Retail Price - $18,900 Item Stock Number - AR316537248554 Certificate Number - GIA 7222868193 Shape - Oval Carat Weight - 0.38ct Measurements - 5.37 x 3.79 x 2.4...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Pure Gray Diamond - 2.60Ct Natural Loose Fancy Gray Color Oval shape Big Diamond
Pure Gray Diamond - 2.60Ct Natural Loose Fancy Gray Color Oval shape Big Diamond

Pure Gray Diamond - 2.60Ct Natural Loose Fancy Gray Color Oval shape Big Diamond

Located in New York, NY

DIAMOND INFORMATION Retail Price - $35,500 Item Stock Number - G43725865978 Certificate Number - GIA 7235224338 Shape - Oval Carat Weight - 2.60ct Measurements - 9.27 x 7.07 x 5.01 ...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Chameleon Diamond - 1.01ct Natural Loose Fancy Gray Yellow Green Oval GIA SI2
Chameleon Diamond - 1.01ct Natural Loose Fancy Gray Yellow Green Oval GIA SI2

Chameleon Diamond - 1.01ct Natural Loose Fancy Gray Yellow Green Oval GIA SI2

Located in New York, NY

DIAMOND INFORMATION Retail Price - $12,500 Item Stock Number - CH3643754827 Certificate Number - GIA 6522895538 Shape - Oval Carat Weight - 1.01ct Measurements - 7.97 x 5.33 x 3.47 ...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Chameleon Diamond - 1.51ct Natural Loose Fancy Gray Yellow Green Oval GIA SI2
Chameleon Diamond - 1.51ct Natural Loose Fancy Gray Yellow Green Oval GIA SI2

Chameleon Diamond - 1.51ct Natural Loose Fancy Gray Yellow Green Oval GIA SI2

Located in New York, NY

DIAMOND INFORMATION Retail Price - $19,500 Item Stock Number - CH3643754828 Certificate Number - GIA 5231114128 Shape - Oval Carat Weight - 1.51ct Measurements - 9.29 x 6.16 x 4.08 ...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Chameleon Diamond - 1.00ct Natural Loose Fancy Dark Gray Green Oval GIA SI2
Chameleon Diamond - 1.00ct Natural Loose Fancy Dark Gray Green Oval GIA SI2

Chameleon Diamond - 1.00ct Natural Loose Fancy Dark Gray Green Oval GIA SI2

Located in New York, NY

DIAMOND INFORMATION Retail Price - $16,500 Item Stock Number - CH3643754829 Certificate Number - GIA 6505783816 Shape - Oval Carat Weight - 1.00ct Measurements - 6.56 x 5.11 x 3.49 ...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Chameleon Diamond - 2.01ct Natural Loose Fancy Dark Yellow Green Oval GIA SI2
Chameleon Diamond - 2.01ct Natural Loose Fancy Dark Yellow Green Oval GIA SI2

Chameleon Diamond - 2.01ct Natural Loose Fancy Dark Yellow Green Oval GIA SI2

Located in New York, NY

DIAMOND INFORMATION Retail Price - $18,900 Item Stock Number - CH59764763726 Certificate Number - GIA 2235649906 Shape - Oval Carat Weight - 2.01ct Measurements - 9.08 x 6.27 x 4.34...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Chameleon Diamond - 1.00ct Natural Loose Fancy Dark Yellow Green Oval GIA SI2
Chameleon Diamond - 1.00ct Natural Loose Fancy Dark Yellow Green Oval GIA SI2

Chameleon Diamond - 1.00ct Natural Loose Fancy Dark Yellow Green Oval GIA SI2

Located in New York, NY

DIAMOND INFORMATION Retail Price - $13,900 Item Stock Number - CH59764763723 Certificate Number - GIA 6505783816 Shape - Oval Carat Weight - 1.00ct Measurements - 6.56 x 5.11 x 3.49...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Green Diamond - 0.05Ct Natural Loose Fancy light Blue Green Color GIA Oval
Green Diamond - 0.05Ct Natural Loose Fancy light Blue Green Color GIA Oval

Green Diamond - 0.05Ct Natural Loose Fancy light Blue Green Color GIA Oval

Located in New York, NY

ITEM SPECIFICATION DIAMOND INFORMATION Retail Price – $2875.00 Item Stock Number – 262147093742 Shape – Oval Weight – 0.05 ct. Color – Fancy Light Bluish Green Clarity – VS1 Cut Gra...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

CLEARANCE, 12.21ct Fancy Color Brown-Orange Oval Loose Diamond
CLEARANCE, 12.21ct Fancy Color Brown-Orange Oval Loose Diamond

CLEARANCE, 12.21ct Fancy Color Brown-Orange Oval Loose Diamond

Located in Great Neck Plaza, NY

GIA 12.21 Carat Fancy Color Oval Shape Loose Diamond Semi Translucent Color Brown-Orange

Category

2010s American Loose Gemstones

Materials

Diamond, Yellow Diamond

GIA 0.77CT Fancy Deep Brownish Yellow SI1 Oval Cut Loose Diamond
GIA 0.77CT Fancy Deep Brownish Yellow SI1 Oval Cut Loose Diamond

GIA 0.77CT Fancy Deep Brownish Yellow SI1 Oval Cut Loose Diamond

Located in New York, NY

ITEM DESCRIPTION ID #: 53112 Stone Shape: Oval Diamond Weight: 0.77CT Clarity: SI1 Color: Fancy Deep Brownish Yellow Cut: Good Measurements: 7.43 x 5.42 x 2.29mm Depth %: 42.2% Ta...

Category

Antique 15th Century and Earlier Loose Gemstones

Materials

Brown Diamond

Rare Red Diamond - 2.06ct Natural Loose Fancy Dark Red Brown Color GIA Oval
Rare Red Diamond - 2.06ct Natural Loose Fancy Dark Red Brown Color GIA Oval

Rare Red Diamond - 2.06ct Natural Loose Fancy Dark Red Brown Color GIA Oval

Located in New York, NY

DIAMOND INFORMATION Retail Price - $150,000 Item Stock Number - R35137548648 Certificate Number - GIA 7412859354 Shape - Oval Carat Weight - 2.06ct Measurements - 8.11 x 6.65 x 4.35...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Deep Pink Diamond - 0.37ct Natural Loose Fancy Deep Pink Strong Color GIA Oval
Deep Pink Diamond - 0.37ct Natural Loose Fancy Deep Pink Strong Color GIA Oval

Deep Pink Diamond - 0.37ct Natural Loose Fancy Deep Pink Strong Color GIA Oval

Located in New York, NY

DIAMOND INFORMATION Retail Price - $16,500 Item Stock Number - DP3514653758 Certificate Number - GIA 16395549 Shape - Oval Carat Weight - 0.37ct Measurements - 4.70 x 3.76 x 2.60 Co...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Pink Diamond - 0.27ct Natural Loose Fancy Orangy Pink Color GIA Oval From Argyle
Pink Diamond - 0.27ct Natural Loose Fancy Orangy Pink Color GIA Oval From Argyle

Pink Diamond - 0.27ct Natural Loose Fancy Orangy Pink Color GIA Oval From Argyle

Located in New York, NY

DIAMOND INFORMATION Retail Price - $12,900 Item Stock Number - OP64367485491 Certificate Number - GIA 2235351714 Shape - Oval Carat Weight - 0.27ct Measurements - 4.96 x 3.44 x 2.12...

Category

21st Century and Contemporary Loose Gemstones

Materials

Pink Diamond

Pink Diamond - 0.27ct Natural Loose Fancy Orangy Pink Color GIA Oval From Argyle
Pink Diamond - 0.27ct Natural Loose Fancy Orangy Pink Color GIA Oval From Argyle

Pink Diamond - 0.27ct Natural Loose Fancy Orangy Pink Color GIA Oval From Argyle

Located in New York, NY

DIAMOND INFORMATION Retail Price - $12,900 Item Stock Number - OP64367485491 Certificate Number - GIA 2235351714 Shape - Oval Carat Weight - 0.27ct Measurements - 4.96 x 3.44 x 2.12...

Category

21st Century and Contemporary Loose Gemstones

Materials

Pink Diamond

GIA 1.20 Carat Fancy Brownish Orangy Yellow Oval Cut VS2 Natural Loose Diamond
GIA 1.20 Carat Fancy Brownish Orangy Yellow Oval Cut VS2 Natural Loose Diamond

GIA 1.20 Carat Fancy Brownish Orangy Yellow Oval Cut VS2 Natural Loose Diamond

Located in Miami, FL

GIA-certified 1.20 carat natural fancy color diamond graded Fancy Brownish Orangy Yellow with VS2 clarity, oval modified brilliant cut measuring 8.43 x 6.21 x 3.31mm, offered as a lo...

Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Brown Diamond

GIA Cert. 4.02 Carat E Color VS2 Clarity Oval Cut Loose Natural Diamond
GIA Cert. 4.02 Carat E Color VS2 Clarity Oval Cut Loose Natural Diamond

GIA Cert. 4.02 Carat E Color VS2 Clarity Oval Cut Loose Natural Diamond

Located in Miami, FL

Graded E color and VS2 clarity, it's a brilliant choice for high-end custom jewelry designs. Details: Item Type: Loose Diamond Shape: Oval Brilliant Weight: 4.02 Carats Color Grade:...

Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Diamond

GIA Oval 0.86 Total Carat Weight Natural Loose Purplish-Pink & Blue-Green Combo
GIA Oval 0.86 Total Carat Weight Natural Loose Purplish-Pink & Blue-Green Combo

GIA Oval 0.86 Total Carat Weight Natural Loose Purplish-Pink & Blue-Green Combo

Located in Ramat Gan, Tel Aviv District

GIA Report #5201855945 & 1186481503 GIA Certified Oval 0.86 Total Carat Weight Natural Loose Purplish-Pink & Blue-Gray Mixed Diamond Pair Shape and Cut: Oval Modified Brilliant.

Category

2010s Modern Loose Gemstones

Materials

Blue Diamond, Pink Diamond

GIA certified diamond 1.01ct Fancy PInk diamond loose NATURAL COLOR
GIA certified diamond 1.01ct Fancy PInk diamond loose NATURAL COLOR

GIA certified diamond 1.01ct Fancy PInk diamond loose NATURAL COLOR

Located in Boca Raton, FL

Loose GIA diamond fancy pink, will comes with all certififcates.

Category

21st Century and Contemporary Loose Gemstones

Materials

Pink Diamond

Natural Unheated Pink Sapphire 1.39ct Loose Untreated Natural Sri Lanka Oval 7X5
Natural Unheated Pink Sapphire 1.39ct Loose Untreated Natural Sri Lanka Oval 7X5

Natural Unheated Pink Sapphire 1.39ct Loose Untreated Natural Sri Lanka Oval 7X5

Located in New York, NY

DIAMOND INFORMATION Retail Price - $5,900 Item Stock Number - PS6436748547 Shape - Oval Carat Weight - 1.39ct Measurements - 7.52 x 5.56 x 3.56 Color - Vivid Pink Clarity - Eye Clean

Category

21st Century and Contemporary Loose Gemstones

Materials

Pink Sapphire

Unheated Sri Lanka Pink Sapphire 0.88ct Loose Untreated Natural Real Oval 7X5mm
Unheated Sri Lanka Pink Sapphire 0.88ct Loose Untreated Natural Real Oval 7X5mm

Unheated Sri Lanka Pink Sapphire 0.88ct Loose Untreated Natural Real Oval 7X5mm

Located in New York, NY

DIAMOND INFORMATION Retail Price - $5,500 Item Stock Number - PS74753737801 Shape - Oval Carat Weight - 0.88ct Measurements - 7 X 5 mm Color - Vivid Pink Treatment - No evidence of ...

Category

21st Century and Contemporary Loose Gemstones

Materials

Pink Sapphire

Unheated Sri Lanka Pink Sapphire 1.22ct Loose Untreated Natural Real Oval 7X5mm
Unheated Sri Lanka Pink Sapphire 1.22ct Loose Untreated Natural Real Oval 7X5mm

Unheated Sri Lanka Pink Sapphire 1.22ct Loose Untreated Natural Real Oval 7X5mm

Located in New York, NY

DIAMOND INFORMATION Origin - Sri Lanka Retail Price - $5,500 Item Stock Number - PS74753737799 Shape - Oval Carat Weight - 1.22ct Measurements - 7 X 5 mm Color - Vivid Pink Treatmen...

Category

21st Century and Contemporary Loose Gemstones

Materials

Pink Sapphire

X GIA cetified Natural Yellow Diamond Oval
X GIA cetified Natural Yellow Diamond Oval

X GIA cetified Natural Yellow Diamond Oval

Located in Stockholm, SE

An oval-cut fancy yellow diamond offers compelling value for sophisticated collectors. Its elongated silhouette creates a larger face-up appearance than rounds of similar carat weigh...

Category

2010s Artisan Loose Gemstones

Materials

Yellow Diamond, 18k Gold

Sparkling 1.73 carat Oval Cut Brilliant Diamond
Sparkling 1.73 carat Oval Cut Brilliant Diamond

Sparkling 1.73 carat Oval Cut Brilliant Diamond

Located in רמת גן, IL

Natural cut Oval diamond in a 1.73 carat D IF cut. This diamond comes with GIA Certificate and laser inscription number. Experience the timeless elegance of a 1.73 carat D IF oval-c...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Luxurious 1.02 carat Oval Cut Brilliant Diamond
Luxurious 1.02 carat Oval Cut Brilliant Diamond

Luxurious 1.02 carat Oval Cut Brilliant Diamond

Located in רמת גן, IL

Natural cut Oval diamond in a 1.02 carat D VVS1 cut. This diamond comes with GIA Certificate and laser inscription number. Discover timeless elegance with our exquisite 1.02 carat D...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

IGI Certified 6.00 Ct Oval Cut Natural Diamonds
IGI Certified 6.00 Ct Oval Cut Natural Diamonds

IGI Certified 6.00 Ct Oval Cut Natural Diamonds

Located in New Delhi, Delhi

An perfect match of IGI Certified Natural Diamonds, in perfect oval cut , 3,00 carats each stone, 6,00 carats in total, I color VVS2/VS1 clarity. Absolutely stunning and sparkly diam...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

3.01 ct Oval Natural Diamond, D, VS1, Excellent Cut
3.01 ct Oval Natural Diamond, D, VS1, Excellent Cut

3.01 ct Oval Natural Diamond, D, VS1, Excellent Cut

Located in Dubai, AE

This 3.01 carat oval natural loose diamond is made for engagement rings and fine jewelry, offering a bright D color grade, VS1 clarity, and GIA certification you can verify.

Category

21st Century and Contemporary Chinese Loose Gemstones

Materials

Diamond, White Diamond

Brilliant 1.01ct Natural Oval-Shaped Diamond - IGI Certified
Brilliant 1.01ct Natural Oval-Shaped Diamond - IGI Certified

Brilliant 1.01ct Natural Oval-Shaped Diamond - IGI Certified

Located in רמת גן, IL

Brilliant 1.01ct Natural Oval-Shaped Diamond - IGI Certified This exceptional 1.01ct oval-cut diamond is a rare treasure of timeless beauty and versatility. It offers remarkable tra...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

1 pc. Glittering 0.80 Oval Cut Natural Diamond
1 pc. Glittering 0.80 Oval Cut Natural Diamond

1 pc. Glittering 0.80 Oval Cut Natural Diamond

Located in רמת גן, IL

This stunning diamond is sure to turn heads. It features a sparkling 0.8 carat oval cut diamond with a D color, VVS1 clarity, and EX cut grade. The diamond comes with a GIA certifica...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Classic 0.50ct Ideal Cut Oval Diamond - GIA Certified
Classic 0.50ct Ideal Cut Oval Diamond - GIA Certified

Classic 0.50ct Ideal Cut Oval Diamond - GIA Certified

Located in רמת גן, IL

Classic 0.50ct Ideal Cut Oval Diamond - GIA Certified Add a touch of elegance to your collection with this 0.50-carat oval diamond. Certified by GIA, attesting to its authenticity a...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

1pc. Sparkling .70 Oval Brilliant Cut Natural Diamond
1pc. Sparkling .70 Oval Brilliant Cut Natural Diamond

1pc. Sparkling .70 Oval Brilliant Cut Natural Diamond

Located in רמת גן, IL

This sparkling oval brilliant cut natural diamond is a rare and valuable gem. With its colorless D grade and VVS1 clarity, it is one of the most desirable diamonds on the market. The...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

1 Sparkling 1.01 Oval Brilliant Cut Natural Diamond
1 Sparkling 1.01 Oval Brilliant Cut Natural Diamond

1 Sparkling 1.01 Oval Brilliant Cut Natural Diamond

Located in רמת גן, IL

This stunning oval brilliant cut diamond is a rare and valuable gem. It is perfectly cut and polished to maximize its brilliance and sparkle. The color is D, the highest possible gra...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Alexander Beverly Hills GIA 5.00ct Oval Diamond I VVS1
Alexander Beverly Hills GIA 5.00ct Oval Diamond I VVS1

Alexander Beverly Hills GIA 5.00ct Oval Diamond I VVS1

By Alexander Beverly Hills

Located in BEVERLY HILLS, CA

Stunning loose oval cut diamond, GIA certified. Sold as loose diamond but can easily be made into a ring of your liking.

Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Diamond, White Diamond

X GIA cetified Natural Yellow Diamond Oval 1.02 carat
X GIA cetified Natural Yellow Diamond Oval 1.02 carat

X GIA cetified Natural Yellow Diamond Oval 1.02 carat

Located in Stockholm, SE

A 1.02carat vivid yellow diamond with GIA certification offers strong collectible value. Vivid yellow is the most saturated, rarest grade in fancy yellow diamonds, significantly outp...

Category

2010s Artisan Loose Gemstones

Materials

Yellow Diamond

X GIA cetified Natural Yellow Diamond Oval 1.01 carat
X GIA cetified Natural Yellow Diamond Oval 1.01 carat

X GIA cetified Natural Yellow Diamond Oval 1.01 carat

Located in Stockholm, SE

A 1.01-carat vivid yellow diamond with GIA certification offers strong collectible value. Vivid yellow is the most saturated, rarest grade in fancy yellow diamonds, significantly out...

Category

2010s Artisan Loose Gemstones

Materials

Yellow Diamond

Radiant 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Radiant 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Radiant 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Radiant 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified Presenting a stunning oval-cut diamond, weighing 1.01-carat. Certified by the GIA, this diamond guarantees superior qual...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Mesmerizing 0.90ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Mesmerizing 0.90ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Mesmerizing 0.90ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Mesmerizing 0.90ct Ideal Cut Oval-Shaped Diamond - GIA Certified This exquisite 0.90-carat oval diamond is an exceptional choice, showcasing a beautiful color grade, which is nearly...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Dazzling 2.63ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Dazzling 2.63ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Dazzling 2.63ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Dazzling 2.63ct Ideal Cut Oval-Shaped Diamond - GIA Certified A remarkable 2.63-carat oval diamond that combines classic elegance with a touch of modern sophistication. This diamond...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Stunning 1.15ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Stunning 1.15ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Stunning 1.15ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Stunning 1.15ct Ideal Cut Oval-Shaped Diamond - GIA Certified Celebrate timeless elegance with this captivating 1.15-carat oval diamond. Certified by the GIA, this diamond guarantee...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Stunning 3.02ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Stunning 3.02ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Stunning 3.02ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Stunning 3.02ct Ideal Cut Oval-Shaped Diamond - GIA Certified Discover the pinnacle of diamond perfection with this stunning 3.02-carat oval diamond, distinguished by its exceptiona...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

  • 1

Recent Sales

Loose Diamond, 1.14ct, GIA Certified, Oval Brilliant Cut
Loose Diamond, 1.14ct, GIA Certified, Oval Brilliant Cut

Loose Diamond, 1.14ct, GIA Certified, Oval Brilliant Cut

Unavailable

H 0.23 in W 0.32 in D 0.15 in

Loose Diamond, 1.14ct, GIA Certified, Oval Brilliant Cut

Located in Vienna, VA

Loose Diamond, 1.14ct, GIA Certified, Oval Brilliant Cut Loose Oval Brilliant Cut Diamond GIA Certified Weight: 1.14ct Clarity: VVS2 Color: F Measurements: 7.99 X 5.80 X 3.69 MM GIA...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond, 0.83ct, GIA Certified, Oval Brilliant Cut
Loose Diamond, 0.83ct, GIA Certified, Oval Brilliant Cut

Loose Diamond, 0.83ct, GIA Certified, Oval Brilliant Cut

Unavailable

H 0.21 in W 0.28 in D 0.14 in

Loose Diamond, 0.83ct, GIA Certified, Oval Brilliant Cut

Located in Vienna, VA

Loose Diamond, 0.83ct, GIA Certified, Oval Brilliant Cut Oval Brilliant Cut GIA Certified Weight: 0.83ct Clarity: VVS1 Color: H Measurements: 7.10 X 5.25 X 3.38 MM GIA Inscribed Co...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond, 1.00ct, GIA Certified, Oval Brilliant Cut
Loose Diamond, 1.00ct, GIA Certified, Oval Brilliant Cut

Loose Diamond, 1.00ct, GIA Certified, Oval Brilliant Cut

Located in Vienna, VA

Loose Diamond, 1.00ct, GIA Certified, Oval Brilliant Cut Loose Oval Brilliant Cut Diamond GIA Certified Weight: 1.00ct Clarity: VS2 Color: E Measurements: 7.76 – 5.35 X 3.74 MM GIA ...

Category

Antique 15th Century and Earlier Loose Gemstones

Materials

Diamond

HRDAntwerp certified 1.13 Oval Natural Diamond
HRDAntwerp certified 1.13 Oval Natural Diamond

HRDAntwerp certified 1.13 Oval Natural Diamond

Unavailable

W 0.25 in D 0.12 in L 0.35 in

HRDAntwerp certified 1.13 Oval Natural Diamond

By S E A General Trading LLC

Located in Dubai, UAE

We are natural diamond production company located in Dubai. Weight: 1.13ct Shape: Oval Color: rare white (G) Clarity: P1 (I1) Polish: Very Good Symm: Good Dimensions (mm): 8.87 x 6.1...

Category

21st Century and Contemporary Emirian Modern Loose Gemstones

Materials

Diamond

Oval GIA D/ VVS1 2.30 Carat, Buy It Loose or with a Custom Made Setting
Oval GIA D/ VVS1 2.30 Carat, Buy It Loose or with a Custom Made Setting

Oval GIA D/ VVS1 2.30 Carat, Buy It Loose or with a Custom Made Setting

Located in New York, NY

A very fine oval diamond weighing 2.30 carats with a GIA certificate stating the diamond is a D color and VVS / 1 in clarity.

Category

21st Century and Contemporary Unknown Contemporary Loose Gemstones

Materials

Diamond

0.63 Carat Fancy Light Yellow Oval Cut Diamond VS2 Clarity GIA Certified
0.63 Carat Fancy Light Yellow Oval Cut Diamond VS2 Clarity GIA Certified

0.63 Carat Fancy Light Yellow Oval Cut Diamond VS2 Clarity GIA Certified

Located in Kowloon, HK

*100% NATURAL FANCY COLOUR DIAMOND* ✪ Diamond Details ✪ ➛ Shape: Oval ➛ Colour Grade: Fancy Light Yellow ➛ Carat: 0.63 ➛ Clarity: VS2 ➛ GIA Certified ^FEATURES OF THE DIAMOND^ O...

Category

2010s Asian Loose Gemstones

Materials

Yellow Diamond, Diamond

Rare 3.14 Carat Oval Natural Pink Diamond GIA Certified GIA # 6194911876
Rare 3.14 Carat Oval Natural Pink Diamond GIA Certified GIA # 6194911876

Rare 3.14 Carat Oval Natural Pink Diamond GIA Certified GIA # 6194911876

Located in New York, NY

Rare 3.14 Carat Oval Natural Pink Diamond GIA Certified GIA # 6194911876. This is an investor’s/collector’s item as natural untreated certified pink diamonds are extremely rare espec...

Category

Antique Late 19th Century Loose Gemstones

Materials

Pink Diamond

GIA Certified 2.00-2.05 Carat, G-F/VVS1, Oval Cut, Excellent Natural Diamond
GIA Certified 2.00-2.05 Carat, G-F/VVS1, Oval Cut, Excellent Natural Diamond

GIA Certified 2.00-2.05 Carat, G-F/VVS1, Oval Cut, Excellent Natural Diamond

Located in Darmstadt, DE

GIA Certified 2.00-2.05 Carat, G-F/VVS, Oval Cut, Excellent Natural Diamond Perfect Brilliants for perfect gifts. 5 C's: Certificate: GIA Carat: 2.00-2.05ct Color: G-F Clarity: VVS...

Category

2010s German Modern Loose Gemstones

Materials

Diamond

Certified 1.85 Ct Unheated Pink Sapphire Ceylon Origin Ring Gemstone
Certified 1.85 Ct Unheated Pink Sapphire Ceylon Origin Ring Gemstone

Certified 1.85 Ct Unheated Pink Sapphire Ceylon Origin Ring Gemstone

Located in Makola, LK

Ceylon Pink sapphire 1.08 Carats unheated Gemstone internal flawless clarity • Variety: Sapphire • Origin: Sri Lanka (Ceylon) • Color(s): Pink • Shape/Cutting Style: Oval • Cut: Wel...

Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Pink Diamond, Pink Sapphire, Padparadscha Sapphire

Certified 2.55 Ct No heat Royal Blue Sapphire Ceylon Origin Ring Gemstone
Certified 2.55 Ct No heat Royal Blue Sapphire Ceylon Origin Ring Gemstone

Certified 2.55 Ct No heat Royal Blue Sapphire Ceylon Origin Ring Gemstone

Located in Makola, LK

Ceylon Royal Blue sapphire 2.55 Carats unheated Gemstone with super luster. eye clean gemstone with natural inclusions perfect for a ring. • Variety: Sapphire • Origin: Sri Lanka (C...

Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Blue Diamond, Blue Sapphire, Purple Sapphire

Certified 1.25ct Purple Sapphire Unheated Gemstone Ceylon Origin Ring Gemstone
Certified 1.25ct Purple Sapphire Unheated Gemstone Ceylon Origin Ring Gemstone

Certified 1.25ct Purple Sapphire Unheated Gemstone Ceylon Origin Ring Gemstone

Located in Makola, LK

Ceylon Unheated Purple Sapphire 1.25 Carat Natural Gemstone. Rich purple and violet Color. Gemstone gift for every purchase. • Variety: Sapphire • Origin: Sri Lanka (Ceylon) • Colo...

Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Aquamarine, Blue Diamond, Sapphire, Blue Sapphire, Purple Sapphire

GIA Certified 3.02 Carat Oval Cut Diamond Loose Stone
GIA Certified 3.02 Carat Oval Cut Diamond Loose Stone

GIA Certified 3.02 Carat Oval Cut Diamond Loose Stone

By Roman Malakov

Located in New York, NY

An oval cut loose diamond weighing 3.02 carats and is certified by GIA as J color, SI1 clarity, Very Good Polish and Good Symmetry.

Category

21st Century and Contemporary American Loose Gemstones

Materials

Diamond

GIA Certified 5.01 Carat Oval Cut D-IF Diamond Loose Gemstone
GIA Certified 5.01 Carat Oval Cut D-IF Diamond Loose Gemstone

GIA Certified 5.01 Carat Oval Cut D-IF Diamond Loose Gemstone

Located in Trumbull, CT

A GIA certified 5.01-carat, D color, IF (Internally Flawless) clarity Oval cut loose diamond. Set it in your custom-designed jewelry for an extraordinary piece.

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond, Oval Cut .98 Carat GIA SI1 H Solitaire
Loose Diamond, Oval Cut .98 Carat GIA SI1 H Solitaire

Loose Diamond, Oval Cut .98 Carat GIA SI1 H Solitaire

Located in Greensboro, NC

Weight: .98ct Cut: Oval Color: H Clarity: SI1 Dimensions (mm): 7.55 x 5.62 x 3.61 GIA Report Number: 1216087844 Condition: New Please check out the enlarged pictures. T...

Category

21st Century and Contemporary Unknown Loose Gemstones

Materials

Diamond

.61 Carat Loose Diamond, Oval Cut GIA Graded VS2 E Solitaire
.61 Carat Loose Diamond, Oval Cut GIA Graded VS2 E Solitaire

.61 Carat Loose Diamond, Oval Cut GIA Graded VS2 E Solitaire

Located in Greensboro, NC

Shape/Cut: Oval Clarity: VS2 Color: E Dimensions (mm): 6.56 x 4.81 x 3.07 Weight: 0.61ct GIA Report Number: 1206397180 Condition: New with Tags Please check out the enlarg...

Category

21st Century and Contemporary Unknown Loose Gemstones

Materials

Diamond

1.00 Carat Loose Diamond, Oval Cut IGI Graded SI2 G Solitaire
1.00 Carat Loose Diamond, Oval Cut IGI Graded SI2 G Solitaire

1.00 Carat Loose Diamond, Oval Cut IGI Graded SI2 G Solitaire

Located in Greensboro, NC

Shape/Cut: Oval Clarity: SI2 Color: G Dimensions (mm): 7.46 x 5.66 x 3.62 Weight: 1.00ct IGI Report Number: 341897127 Condition: New with Tags Please check out the enlarged p...

Category

20th Century Unknown Loose Gemstones

Materials

Diamond

1.09 Carat Loose Diamond, Oval Cut IGI Graded SI2 E Solitaire
1.09 Carat Loose Diamond, Oval Cut IGI Graded SI2 E Solitaire

1.09 Carat Loose Diamond, Oval Cut IGI Graded SI2 E Solitaire

Located in Greensboro, NC

Shape/Cut: Oval Clarity: SI2 Color: E Dimensions (mm): 8.35 x 5.75 x 3.43 Weight: 1.09ct IGI Report Number: 355933129 Condition: New with Tags Please check out the enlarged ...

Category

20th Century Unknown Loose Gemstones

Materials

Diamond

1.52 Carat Loose Diamond, Oval Brilliant GIA Graded Solitaire SI1 D
1.52 Carat Loose Diamond, Oval Brilliant GIA Graded Solitaire SI1 D

1.52 Carat Loose Diamond, Oval Brilliant GIA Graded Solitaire SI1 D

Located in Greensboro, NC

Shape/Cut: Oval Brilliant Clarity: SI1 Color: D Dimensions (mm): 8.49 x 6.20 x 4.23 Weight: 1.52ct GIA Report Number: 2195939044 Please check out the enlarged pictures. Thank ...

Category

20th Century Unknown Loose Gemstones

Materials

Diamond

Four Marquise Pear Shape Oval Loose GIA Certified 145.90 Carat Kunzite
Four Marquise Pear Shape Oval Loose GIA Certified 145.90 Carat Kunzite

Four Marquise Pear Shape Oval Loose GIA Certified 145.90 Carat Kunzite

Located in Los Angeles, CA

DeKara Designs Collection Stones- 1 Pear Shape Kunzite 43.02 Carats, 1 Elongated Pear Shape Kunzite 37.13 Carats, 1 Marquise Kunzite 33.18 Carats, 1 Oval Kunzite 32.57 Carats. GIA...

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond, Kunzite, 18k Gold, White Gold

GIA Certified 1.07 Carat Oval Diamond
GIA Certified 1.07 Carat Oval Diamond

GIA Certified 1.07 Carat Oval Diamond

Located in Coral Gables, FL

Colorless Loose 1.07 Carat Oval Diamond GIA Graded (Report #2225850553) As D Color and I2 Clarity.

Category

2010s Loose Gemstones

Materials

Diamond

GIA Certified 1.21 Carat Faint Pink Oval Diamond
GIA Certified 1.21 Carat Faint Pink Oval Diamond

GIA Certified 1.21 Carat Faint Pink Oval Diamond

By Antinori Fine Jewels

Located in Chicago, IL

This amazing GIA certified fancy faint pink oval diamond can be a perfect solitaire engagement ring! We have the most skilled goldsmiths from Italy to create the perfect mounting.

Category

2010s Loose Gemstones

Materials

Diamond, Pink Diamond

Glamorous 0.56 carat oval cut natural diamond
Glamorous 0.56 carat oval cut natural diamond

Glamorous 0.56 carat oval cut natural diamond

Located in רמת גן, IL

Glamorous 0.56 carat D IF oval cut natural diamond Color: D (colorless) Clarity: IF (internally flawless) Cut: Oval Carat weight: 0.56 Polish: Excellent Symmetry: Very good Certific...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Elegant 1.51ct Ideal Cut Oval Diamond - GIA Certified
Elegant 1.51ct Ideal Cut Oval Diamond - GIA Certified

Elegant 1.51ct Ideal Cut Oval Diamond - GIA Certified

Located in רמת גן, IL

Elegant 1.51ct Ideal Cut Oval Diamond - GIA Certified Discover the allure of this exquisite 1.51-carat oval-shaped diamond, a timeless choice for any jewelry collection. This diamon...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Magnificent 3.01ct Ideal Cut Oval Diamond - GIA Certified
Magnificent 3.01ct Ideal Cut Oval Diamond - GIA Certified

Magnificent 3.01ct Ideal Cut Oval Diamond - GIA Certified

Located in רמת גן, IL

Magnificent 3.01ct Ideal Cut Oval Diamond - GIA Certified Introducing a stunning 3.01-carat oval diamond, designed to captivate with its exceptional brilliance. Certified by GIA, th...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

1pc. Shimmering 0.5 Oval Brilliant Cut Natural Diamond
1pc. Shimmering 0.5 Oval Brilliant Cut Natural Diamond

1pc. Shimmering 0.5 Oval Brilliant Cut Natural Diamond

Located in רמת גן, IL

This sparkling 0.5-carat E IF oval brilliant cut natural diamond is sure to turn heads. The diamond is the highest color grade possible for an E color diamond, and it has an IF clar...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Captivating 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Captivating 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Captivating 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Captivating 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified This breathtaking 1.01-carat oval diamond is a flawless diamond that will elevate any jewelry design. With its elong...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Pristine 1.51 ct Ideal Cut Oval Diamond - GIA Certfied
Pristine 1.51 ct Ideal Cut Oval Diamond - GIA Certfied

Pristine 1.51 ct Ideal Cut Oval Diamond - GIA Certfied

Located in רמת גן, IL

Pristine 1.51 ct Ideal Cut Oval Diamond - GIA Certfied Embrace the pinnacle of diamond perfection with this exquisite 1.51 ct oval diamond. This exquisite diamond captures the essen...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Magnificent 0.51ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Magnificent 0.51ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Magnificent 0.51ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Magnificent 0.51ct Ideal Cut Oval-Shaped Diamond - GIA Certified Enhance your jewelry collection with this flawless 0.51-carat oval-shaped diamond. Certified by GIA, this diamond is...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Radiant 0.90ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Radiant 0.90ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Radiant 0.90ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Radiant 0.90ct Ideal Cut Oval-Shaped Diamond - GIA Certified Discover the perfect diamond for your dream jewelry piece with this exquisite 0.90-carat oval diamond. The oval shape pr...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Brilliant 0.70ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Brilliant 0.70ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Brilliant 0.70ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Brilliant 0.70ct Ideal Cut Oval-Shaped Diamond - GIA Certified Experience the unmatched brilliance of this 0.70-carat oval-shaped diamond. The oval shape creates a graceful and elo...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Timeless 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Timeless 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Timeless 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Timeless 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified Discover the exceptional beauty of our 1.01-carat oval diamond, a masterpiece of luxury and brilliance. Boasting a doub...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Shining 0.70ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Shining 0.70ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Shining 0.70ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Shining 0.70ct Ideal Cut Oval-Shaped Diamond - GIA Certified Experience unparalleled elegance with this breathtaking 0.70-carat oval diamond. This diamond is certified by the GIA, a...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Exquisite 2.01 ct Ideal Cut Oval Diamond - GIA Certified
Exquisite 2.01 ct Ideal Cut Oval Diamond - GIA Certified

Exquisite 2.01 ct Ideal Cut Oval Diamond - GIA Certified

Located in רמת גן, IL

Exquisite 2.01 ct Ideal Cut Oval Diamond - GIA Certified Embark on a journey of unparalleled luxury with this exquisite 2.01 ct oval diamond. Certified by the GIA, this diamond come...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Lustrous 0.53ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Lustrous 0.53ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Lustrous 0.53ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Lustrous 0.53ct Ideal Cut Oval-Shaped Diamond - GIA Certified Enhance your collection with this 0.53-carat oval diamond, showcasing unmatched elegance and brilliance. Certified by G...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Magnificent 1.72ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Magnificent 1.72ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Magnificent 1.72ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Magnificent 1.72ct Ideal Cut Oval-Shaped Diamond - GIA Certified Introducing a truly breathtaking 1.72-carat oval-shaped diamond with the rarest color grade, known for its unparalle...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Exquisite 5.23 ct Ideal Cut Oval Diamond - GIA Certified
Exquisite 5.23 ct Ideal Cut Oval Diamond - GIA Certified

Exquisite 5.23 ct Ideal Cut Oval Diamond - GIA Certified

Located in רמת גן, IL

Exquisite 5.23 ct Ideal Cut Oval Diamond - GIA Certified Discover the epitome of elegance with this stunning 5.23 ct oval diamond, a jewel that combines grandeur with an aura of sop...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Luxurious 3.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Luxurious 3.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Luxurious 3.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Luxurious 3.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified Embrace unparalleled elegance with this striking 3.01-carat oval diamond. The carat weight of 3.01-carat showcases its...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Captivating 1.00ct Ideal Cut Oval-Shaped Diamonds - GIA Certified
Captivating 1.00ct Ideal Cut Oval-Shaped Diamonds - GIA Certified

Captivating 1.00ct Ideal Cut Oval-Shaped Diamonds - GIA Certified

Located in רמת גן, IL

Captivating 1.00ct Ideal Cut Oval-Shaped Diamonds - GIA Certified This exquisite 1.00-carat oval-cut diamond is the embodiment of perfection. Accompanied by a GIA certification, thi...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Elegant 0.70ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Elegant 0.70ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Elegant 0.70ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Elegant 0.70ct Ideal Cut Oval-Shaped Diamond - GIA Certified Unveil the elegance of our 0.70-carat oval diamond, a true symbol of refined beauty. This diamond is guaranteed to be of...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Brilliant 1.00ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Brilliant 1.00ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Brilliant 1.00ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Brilliant 1.00ct Ideal Cut Oval-Shaped Diamond - GIA Certified Celebrate classic beauty with this pristine 1.00-carat oval diamond. The oval shape offers a unique, elongated appeara...

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2010s Israeli Loose Gemstones

Materials

Diamond

Fascinating 0.78ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Fascinating 0.78ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Fascinating 0.78ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Fascinating 0.78ct Ideal Cut Oval-Shaped Diamond - GIA Certified Introducing this 0.78-carat oval diamond, a true masterpiece of natural beauty. This diamond offers near-colorless b...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Lustrous 1.06ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Lustrous 1.06ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Lustrous 1.06ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Lustrous 1.06ct Ideal Cut Oval-Shaped Diamond - GIA Certified Presenting a magnificent 1.06-carat oval diamond, a true symbol of pristine beauty. The refined oval cut not only enhan...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Radiant 0.90 ct Ideal Cut Oval Diamond - GIA Certified
Radiant 0.90 ct Ideal Cut Oval Diamond - GIA Certified

Radiant 0.90 ct Ideal Cut Oval Diamond - GIA Certified

Located in רמת גן, IL

Radiant 0.90 ct Ideal Cut Oval Diamond - GIA Certified Introducing a jewel of unmatched purity and brilliance, this 0.90 ct oval diamond stands as a testament to flawless beauty. Ce...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Radiant 0.52ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Radiant 0.52ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Radiant 0.52ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Radiant 0.52ct Ideal Cut Oval-Shaped Diamond - GIA Certified Discover the timeless beauty of this 0.52-carat oval diamond, which is completely colorless, exuding unmatched brillianc...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Elegant 0.90ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Elegant 0.90ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Elegant 0.90ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Elegant 0.90ct Ideal Cut Oval-Shaped Diamond - GIA Certified Capture hearts with this captivating 0.90-carat oval diamond. This mesmerizing stone boasts the highest color grade, sig...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Exquisite 0.70ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Exquisite 0.70ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Exquisite 0.70ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Exquisite 0.70ct Ideal Cut Oval-Shaped Diamond - GIA Certified Discover the unmatched brilliance of this exquisite 0.70-carat oval diamond, certified by GIA. This diamond is perfect...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Dazzling 0.91ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Dazzling 0.91ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Dazzling 0.91ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Dazzling 0.91ct Ideal Cut Oval-Shaped Diamond - GIA Certified Immerse yourself in luxury with this 0.91-carat oval diamond, a stunning symbol of timeless beauty. This diamond offers...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Timeless 0.60ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Timeless 0.60ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Timeless 0.60ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Timeless 0.60ct Ideal Cut Oval-Shaped Diamond - GIA Certified Indulge in luxury with this 0.60-carat oval diamond, showcasing a double excellent ideal cut for extraordinary brillian...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Radiant 1.00ct Ideal Cut Oval-Shaped Diamond - IGI Certified
Radiant 1.00ct Ideal Cut Oval-Shaped Diamond - IGI Certified

Radiant 1.00ct Ideal Cut Oval-Shaped Diamond - IGI Certified

Located in רמת גן, IL

Radiant 1.00ct Ideal Cut Oval-Shaped Diamond - IGI Certified Indulge in the exquisite charm of this 1.00-carat oval diamond. Encased in a security blister for added protection, this...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Stunning 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Stunning 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Stunning 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Stunning 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified This exquisite 1.01-carat oval diamond is the perfect choice for any jewelry setting, radiating elegance and timeless b...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Majestic 5.02ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Majestic 5.02ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Majestic 5.02ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Majestic 5.02ct Ideal Cut Oval-Shaped Diamond - GIA Certified Featuring a majestic 5.02-carat oval-shaped diamond. This remarkable centerpiece flaunts an excellent color grade, repr...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Luminous 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Luminous 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Luminous 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Luminous 1.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified This stunning 1.01-carat oval diamond combines timeless elegance with outstanding quality, making it a perfect choice f...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Stunning 1.51ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Stunning 1.51ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Stunning 1.51ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Stunning 1.51ct Ideal Cut Oval-Shaped Diamond - GIA Certified This is a captivating 1.51-carat oval diamond, a timeless design that embodies elegance and brilliance. Certified by th...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Magnificent 0.72 ct Ideal Cut Oval Diamond - GIA Certified
Magnificent 0.72 ct Ideal Cut Oval Diamond - GIA Certified

Magnificent 0.72 ct Ideal Cut Oval Diamond - GIA Certified

Located in רמת גן, IL

Magnificent 0.72 ct Ideal Cut Oval Diamond - GIA Certified This exquisite 0.72-carat oval diamond embodies elegance and precision, with an ideal cut that accentuates its natural bea...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

Mesmerizing 3.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified
Mesmerizing 3.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Mesmerizing 3.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified

Located in רמת גן, IL

Mesmerizing 3.01ct Ideal Cut Oval-Shaped Diamond - GIA Certified A resplendent 3.01-carat oval diamond that embodies timeless beauty and exceptional quality. Certified by GIA, which...

Category

2010s Israeli Loose Gemstones

Materials

Diamond

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By Daizy Jewellery

Located in Istanbul, TR

Earrings with pear natural emeralds and diamonds. May birthstone. Contemporary design earrings. Metal: silver 925, plus gold plating over Total weight: 3 g. Size: 15.5 x 11 mm. Cen...

Category

21st Century and Contemporary Turkish Contemporary Drop Earrings

Materials

Diamond, Emerald, 14k Gold

14k Gold Earrings with Pear Emeralds and Diamonds
14k Gold Earrings with Pear Emeralds and Diamonds

14k Gold Earrings with Pear Emeralds and Diamonds

$1,393Sale Price / item|20% Off

W 1.01 in L 0.26 in

14k Gold Earrings with Pear Emeralds and Diamonds

By Daizy Jewellery

Located in Istanbul, TR

Emerald and diamonds earrings studs. Pear emerald gold studs. Genuine emerald earrings. May birthstone jewelry. Emerald jewelry gift for her. Genuine 1.2 ct emeralds earrings studs. ...

Category

2010s Turkish Modern Drop Earrings

Materials

Diamond, Emerald, 14k Gold

Antique Belle Époque Diamond Tiara in Platinum and Gold.
Antique Belle Époque Diamond Tiara in Platinum and Gold.

Antique Belle Époque Diamond Tiara in Platinum and Gold.

Located in San Francisco, CA

Well well well. If only this tiara could talk - I'd just love to know the people and outfits this significant piece has graced. Let's start with the tiara. Circa 1900, the theme co...

Category

Early 20th Century English Belle Époque Choker Necklaces

Materials

Diamond, Gold, Platinum

Antique Fernch Floral  Diamond Platinum Wedding Tiara
Antique Fernch Floral  Diamond Platinum Wedding Tiara

Antique Fernch Floral Diamond Platinum Wedding Tiara

Located in Miami, FL

Antique French Floral Design Platinum Diamond Tiara with Detachable Brooch This magnificent French tiara, crafted in luxurious platinum, is a masterpiece of elegance and refinement....

Category

Vintage 1940s French Retro Brooches

Materials

Diamond, Platinum

Antique Victorian Tiara with Diamond Star - c.1890
Antique Victorian Tiara with Diamond Star - c.1890

Antique Victorian Tiara with Diamond Star - c.1890

Located in London, GB

We are exceptionally delighted to offer this spectacular Victorian diamond star tiara made c.1890. The tiara will come in a fully fitted presentation case as photographed. Upon pond...

Category

Antique 1890s Victorian Brooches

Materials

Diamond, Gold

Rare 5.73 Carat Natural Red Spinel Emerald Cut – Collector's Luxury Gemstone
Rare 5.73 Carat Natural Red Spinel Emerald Cut – Collector's Luxury Gemstone

Rare 5.73 Carat Natural Red Spinel Emerald Cut – Collector's Luxury Gemstone

By Merkaba

Located in Beverly Hills, CA

Exceptional 5.73 Carat Natural Red Spinel – A Rare Collector's Gem By Merkaba Beverly Hills. Discover unparalleled luxury with this 5.73 carat natural Red Spinel, an extraordinary u...

Category

21st Century and Contemporary Tanzanian Modern Loose Gemstones

Materials

Spinel, Emerald, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum,...

Platinum, Art Deco Style, Emerald & Diamond Oval Shield Shaped Ring
Platinum, Art Deco Style, Emerald & Diamond Oval Shield Shaped Ring

Platinum, Art Deco Style, Emerald & Diamond Oval Shield Shaped Ring

Located in Brighton, GB

Emerald & Diamond Ring Platinum Tested Circa 2000 This stunning ring is designed in a deco style and is sure to catch the eye of anyone who sees it. The centrepiece is a rectangu...

Category

21st Century and Contemporary European Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

12 MM Ruby Huggie Earrings
12 MM Ruby Huggie Earrings

12 MM Ruby Huggie Earrings

$319Sale Price / item|44% Off

W 0.48 in L 0.48 in

12 MM Ruby Huggie Earrings

By Daizy Jewellery

Located in Istanbul, TR

Hoop Earrings with Rubies in 925 silver. Metal: 925 silver Earring size: The Inner diameter of Earrings: 10MM The Outer diameter of Earrings: 12MM Weight: 2.2. g. Gemstones: Ruby: ...

Category

2010s Turkish Modern Hoop Earrings

Materials

Ruby, Silver

The Exquisite Beauty of 9-Row Natural Saltwater Pearl Necklace Certified By GIA
The Exquisite Beauty of 9-Row Natural Saltwater Pearl Necklace Certified By GIA

The Exquisite Beauty of 9-Row Natural Saltwater Pearl Necklace Certified By GIA

Located in Dubai, AE

Natural pearls are a timeless symbol of elegance and luxury, and a 9-row natural pearl necklace is truly a sight to behold. Each pearl in this magnificent necklace has been carefully...

Category

21st Century and Contemporary Bahraini Art Deco Multi-Strand Necklaces

Materials

Diamond, Natural Pearl

Vintage Earrings natural 2ctw Sapphire 0.25ctw Diamonds solid 18K Gold / 4.3 gr.
Vintage Earrings natural 2ctw Sapphire 0.25ctw Diamonds solid 18K Gold / 4.3 gr.

Vintage Earrings natural 2ctw Sapphire 0.25ctw Diamonds solid 18K Gold / 4.3 gr.

Located in SE

A pair of fine 1950s- 1960s vintage European Sapphire and Diamonds flower studs in solid 18K Yellow and White Gold . No hallmarks of maker. Not hallmarked,metal tested solid 18K. E...

Category

Vintage 1960s European Retro Stud Earrings

Materials

Diamond, Sapphire, 18k Gold, White Gold, Yellow Gold

Tahitian Pearl and Ruby Triple Strand Necklace Set Design by Ella Gafter
Tahitian Pearl and Ruby Triple Strand Necklace Set Design by Ella Gafter

Tahitian Pearl and Ruby Triple Strand Necklace Set Design by Ella Gafter

By Ella Gafter

Located in New York, NY

The Tahitian pearl and ruby necklace set features 231 pearls originating from the waters of Tahiti. Their diameter range is 12-10mm. They feature thick healthy nacre, beautiful homog...

Category

21st Century and Contemporary Italian Artist Drop Necklaces

Materials

Pearl, Black Pearl, Ruby, Diamond, 18k Gold

A late Victorian diamond-set tiara
A late Victorian diamond-set tiara

A late Victorian diamond-set tiara

$107,966

H 1.97 in W 5.12 in

A late Victorian diamond-set tiara

Located in London, GB

A late Victorian diamond-set tiara, the five openwork foliate garland design sections graduating in size from the centre, each featuring three old-European cut diamonds within a pear...

Category

Antique 1890s Unknown Late Victorian Vanity Items

Materials

Diamond, Yellow Gold, Silver

Spectra Fine Jewelry, GIA Certified 30.12 Carat Old European-Cut Diamond Ring
Spectra Fine Jewelry, GIA Certified 30.12 Carat Old European-Cut Diamond Ring

Spectra Fine Jewelry, GIA Certified 30.12 Carat Old European-Cut Diamond Ring

By Spectra Fine Jewelry

Located in New York, NY

Is there anything more sustainable than a one-of-a-kind antique diamond more than 100 years old that has been repurposed into a modern setting? It is romantic to think about this par...

Category

21st Century and Contemporary American Romantic Engagement Rings

Materials

Diamond, 18k Gold, White Gold

An Edwardian diamond and pearl-set tiara/necklace
An Edwardian diamond and pearl-set tiara/necklace

An Edwardian diamond and pearl-set tiara/necklace

Located in London, GB

An Edwardian diamond and pearl-set tiara/necklace, consisting of eleven knife-edge bars graduating from the centre, each embellished with old-cut diamonds in cut-down collet settings...

Category

Antique Early 1900s British Edwardian Vanity Items

Materials

Diamond, Pearl, Gold, Silver

55.44 Carat Diamond Tiara / Necklace
55.44 Carat Diamond Tiara / Necklace

55.44 Carat Diamond Tiara / Necklace

Located in New York, NY

Finely crafted in platinum with Pear-Shaped, Marquise, and Round Brilliant cut Diamonds weighing a total of 55.44 carats. The center 3 Pear-Shaped Diamonds are GIA certified; 1.65 ca...

Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Platinum

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Loose Oval Diamond For Sale on 1stDibs

You are likely to find exactly the loose oval diamond you’re looking for on 1stDibs, as there is a broad range for sale. In our selection of items, you can find a vintage example as well as a contemporary version. You’re likely to find the perfect loose oval diamond among the distinctive items we have available, which includes versions made as long ago as the 20th Century as well as those produced as recently as the 21st Century. As it relates to this specific piece, our collection includes designs that are universally popular, but .5 Carat and 1 Carat carat weights, specifically, are sought with frequency. Creating a loose oval diamond has been a part of the legacy of many jewelers, but those produced by Harakh and Harbor Diamonds are consistently popular. Take a look at a loose oval diamond featuring Diamond from our inventory today to add the perfect touch to your look. Today, if you’re looking for an oval cut version of this piece and are unable to find the perfect match, our selection also includes alternatives. There aren’t many items for women if you’re seeking a loose oval diamond, as most of the options available are for men and unisex.

How Much is a Loose Oval Diamond?

The price for a loose oval diamond starts at $880 and tops out at $16,900 with these more-jewelry-watches, on average, selling for $3,750.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.  

Finding the Right Loose Gemstones for You

Are you shopping for diamonds and other loose gemstones to create your own custom jewelry? 

Why might you purchase a diamond or gemstone “loose” — that is, on its own, not mounted in a piece of jewelry? Perhaps you’re a connoisseur looking to acquire a unique investment. The scarcity of high-quality colored diamonds, for instance, especially pink diamonds, means that their value increases over time; the same is true of rare Kashmir sapphires and Burmese rubies. Far rarer than diamonds, Paraiba tourmaline, discovered only in the 1980s, is treasured as much for its extraordinary color as its scarcity, both of which contribute to its high value.

A more common scenario would be that you’re hoping to create a very special piece of custom jewelry, such as an engagement ring or a milestone-birthday present, and want to personally select the most beautiful, unusual, or ultra-rare stone you can find and afford. Doing so adds to the romance and substance of the gift and can be a part of the story told as the jewel is passed from generation to generation.

If this sounds like you, read on for tips on becoming one of the world’s savviest gem hunters.

Educate yourself: When buying any piece of gem-set fine jewelry, you should familiarize yourself with the factors that determine a stone’s price. This will enable you to streamline your search for the perfect gem and have intelligent, productive conversations with sellers.

There is a wealth of information online, such as our diamond-buying guide and this overview of colored gemstones for engagement rings. The buying guides of the Gemological Institute of America (GIA), searchable by stone type, are also a widely trusted source for consumers venturing into the world of diamonds and gems for the first time.

Vet your vendor: If you peruse 1stDibs with any regularity, you know there is no shortage of vendors who deal in top-quality loose gemstones. (Read about our vetted sellers.) Finding a trustworthy, established dealer may be as easy as getting a recommendation from friends or family. And, although it may sound obvious, it pays to Google your candidates — and consult customer reviews — before making contact.

Harakh Mehta, designer and founder of the Mumbai, India–based fine-jewelry brand Harakh, has an innate understanding of proper client relations, especially when the customer is in unfamiliar territory. “Start chatting with the dealer, get to know them better," he says. "It’s very important to establish a comfort level. We never push a sale, as we want it to be a carefully considered purchase. So, if the client is not in a rush, we do it over a few virtual meetings or phone calls.”

Request documentation: The best dealers go to great lengths to furnish clients with documents verifying the quality rating, natural origin and provenance of a stone — showing, for example, that loose emerald hails from the famous Muzo mine in Colombia — and disclosing any treatments applied to enhance its appearance. (And who doesn't love emerald jewelry? The most valuable emeralds are the ones that have a deep bluish-green to true green color and no visible inclusions.)

If no grading report is available for a stone you are interested in, the dealer should be able to provide an authenticity document, such as an appraisal or info sheet, that has been signed by an in-house gemologist or professional appraiser. Google those names, too, for extra peace of mind.

Ask for videos and visuals: When transacting with a gem dealer online, you should always request real-time videos and photographs, since professional photos of a stone, usually on a white background, have likely been retouched for optimal presentation.

Read more about how to buy loose gemstones and find your dream gems today on 1stDibs.