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GIA Certified Round Brilliant Cut Loose Diamond 1.02ct
GIA Certified Round Brilliant Cut Loose Diamond 1.02ct

GIA Certified Round Brilliant Cut Loose Diamond 1.02ct

Located in Laguna Beach, CA

Loose round brilliant diamond. Weighs 1.02 carats, L color, VS2 clarity.

Category

Late 20th Century Loose Gemstones

Materials

Diamond

Loose Round Brilliant Cut Diamond 1.26 ct
Loose Round Brilliant Cut Diamond 1.26 ct

Loose Round Brilliant Cut Diamond 1.26 ct

Located in Laguna Beach, CA

Loose round brilliant diamond, 1.26 carats. No grading lab certificate.

Category

Mid-20th Century Loose Gemstones

Materials

Diamond

Alexander Beverly Hills GIA 6.19ct E VVS2 Round Diamond
Alexander Beverly Hills GIA 6.19ct E VVS2 Round Diamond

Alexander Beverly Hills GIA 6.19ct E VVS2 Round Diamond

By Alexander Beverly Hills

Located in BEVERLY HILLS, CA

Stunning loose round brilliant 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

Alexander Beverly Hills GIA 3.01ct L VVS2 Round Diamond
Alexander Beverly Hills GIA 3.01ct L VVS2 Round Diamond

Alexander Beverly Hills GIA 3.01ct L VVS2 Round Diamond

By Alexander Beverly Hills

Located in BEVERLY HILLS, CA

Stunning loose round brilliant 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

GIA Certified Round Brilliant Loose Diamond 1.01ct
GIA Certified Round Brilliant Loose Diamond 1.01ct

GIA Certified Round Brilliant Loose Diamond 1.01ct

Located in Laguna Beach, CA

GIA Certified Round Brilliant Loose Diamond. 1.01 carat round brilliant cut diamond.

Category

Late 20th Century Loose Gemstones

Materials

Diamond

GIA Certified Round Brilliant Loose Diamond 1.12ct
GIA Certified Round Brilliant Loose Diamond 1.12ct

GIA Certified Round Brilliant Loose Diamond 1.12ct

Located in Laguna Beach, CA

1.12ct round brilliant cut diamond. GIA-graded H color, Si1 clarity, Very good cut grade. Faces up very brilliantly. The GIA report number is 5231411122. Comes with a full GIA gradin...

Category

Late 20th Century Loose Gemstones

Materials

Diamond

Loose Round Brilliant Cut Diamond 0.96 ct
Loose Round Brilliant Cut Diamond 0.96 ct

Loose Round Brilliant Cut Diamond 0.96 ct

Located in Laguna Beach, CA

Loose .96 carat round brilliant cut diamond. No grading lab certificate.

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

GIA Certified Round Brilliant Loose Diamond 1.08ct
GIA Certified Round Brilliant Loose Diamond 1.08ct

GIA Certified Round Brilliant Loose Diamond 1.08ct

Located in Laguna Beach, CA

GIA graded 1.08 carat round brilliant cut diamond. Graded F color, i1 clarity, very good symmetry. No inclusion can be seen without magnification. Faces up very attractive and brilli...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Round Brilliant Cut Loose Diamond 0.94 ct
Round Brilliant Cut Loose Diamond 0.94 ct

Round Brilliant Cut Loose Diamond 0.94 ct

Located in Laguna Beach, CA

Loose .94 carat round brilliant cut No grading certificate.

Category

Early 20th Century Loose Gemstones

Materials

Diamond

Loose Diamond Loose Diamond - Round Brilliant 1.26ct GIA F SI2 Solitaire
Loose Diamond Loose Diamond - Round Brilliant 1.26ct GIA F SI2 Solitaire

Loose Diamond Loose Diamond - Round Brilliant 1.26ct GIA F SI2 Solitaire

Located in Greensboro, NC

Stone Information Natural Diamond Carat(s): 1.26ct Cut: Round Brilliant Color: F Clarity: SI2 Certified by: GIA Report Number: 2231333219 Total Carats: 1.26ct Measurements Condit...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

GIA Certified Round Brilliant Cut Loose Diamond 0.81ct
GIA Certified Round Brilliant Cut Loose Diamond 0.81ct

GIA Certified Round Brilliant Cut Loose Diamond 0.81ct

Located in Laguna Beach, CA

Loose .81 carat round brilliant cut diamond. GIA graded J color, Vs2 clarity, good cut.

Category

Late 20th Century Loose Gemstones

Materials

Diamond

GIA Certified Round Brilliant Cut Loose Diamond 0.42ct
GIA Certified Round Brilliant Cut Loose Diamond 0.42ct

GIA Certified Round Brilliant Cut Loose Diamond 0.42ct

Located in Laguna Beach, CA

Loose round brilliant cut diamond, .42 carats. GIA grade G color, VS1 clarity, good cut.

Category

Late 20th Century Loose Gemstones

Materials

Diamond

GIA Certified Round Brilliant Cut Loose Diamond 1.66ct
GIA Certified Round Brilliant Cut Loose Diamond 1.66ct

GIA Certified Round Brilliant Cut Loose Diamond 1.66ct

Located in Laguna Beach, CA

1.66 carat round brilliant cut diamond. GIA graded D color, Vs2 clarity. The GIA grade report number is 6237570110. Best diamond color grade and faces up very brilliantly. Comes with...

Category

Late 20th Century Loose Gemstones

Materials

Diamond

GIA Certified Round Brilliant Cut Loose Diamond 0.83ct
GIA Certified Round Brilliant Cut Loose Diamond 0.83ct

GIA Certified Round Brilliant Cut Loose Diamond 0.83ct

Located in Laguna Beach, CA

Round brilliant cut diamond, .83 carats. GIA graded I color, I1 clarity. The clarity looks more like a Si2 grade. The thin feather under the crown facets is hard to find even with a ...

Category

Late 20th Century Loose Gemstones

Materials

Diamond

GIA Certified Round Brilliant Cut Loose Diamond 0.86ct
GIA Certified Round Brilliant Cut Loose Diamond 0.86ct

GIA Certified Round Brilliant Cut Loose Diamond 0.86ct

Located in Laguna Beach, CA

0.86 carat round brilliant cut diamond. GIA certified, G color, Si1 clarity, Cut good, no fluorescence. The GIA grading report number is 2225382718. Faces up brilliantly. Very att...

Category

Late 20th Century Loose Gemstones

Materials

Diamond

GIA Certified Round Brilliant Cut Loose Diamond 0.70ct
GIA Certified Round Brilliant Cut Loose Diamond 0.70ct

GIA Certified Round Brilliant Cut Loose Diamond 0.70ct

Located in Laguna Beach, CA

.70 carat round brilliant cut diamond. GIA graded J color and Si clarity, good cut. GIA grading report 5231672294. Comes with a full GIA grading certificate.

Category

Late 20th Century Loose Gemstones

Materials

Diamond

GIA Certified Round Brilliant Cut Loose Diamond 0.96ct
GIA Certified Round Brilliant Cut Loose Diamond 0.96ct

GIA Certified Round Brilliant Cut Loose Diamond 0.96ct

Located in Laguna Beach, CA

GIA Certified .96ct RBC G Color/VS1 Clarity, VG Cut Diamond. 0.96 carat round brilliant cut diamond. GIA grade G color, Vs1 clarity, very good cut grade. GIA grading report number is...

Category

Late 20th Century Loose Gemstones

Materials

Diamond

GIA Certified Round Brilliant Cut Loose Diamond 0.73ct
GIA Certified Round Brilliant Cut Loose Diamond 0.73ct

GIA Certified Round Brilliant Cut Loose Diamond 0.73ct

Located in Laguna Beach, CA

0.73 carat round brilliant cut diamond. GIA grading report number 2201653724. The color grade is I, and the clarity is Si2. The diamond faces up very brilliantly, 56% table facet. V...

Category

Late 20th Century Loose Gemstones

Materials

Diamond

GIA Certified Round Brilliant Cut Loose Diamond 1.00ct
GIA Certified Round Brilliant Cut Loose Diamond 1.00ct

GIA Certified Round Brilliant Cut Loose Diamond 1.00ct

Located in Laguna Beach, CA

1.00 carat round brilliant cut diamond. GIA graded E color, i3 clarity. The GIA report number is 2239388857. They were overly harsh on the clarity grade. Nothing can be seen with the...

Category

Late 20th Century Loose Gemstones

Materials

Diamond

GIA Certified Round Brilliant Cut Loose Diamond 1.78ct
GIA Certified Round Brilliant Cut Loose Diamond 1.78ct

GIA Certified Round Brilliant Cut Loose Diamond 1.78ct

Located in Laguna Beach, CA

GIA graded 1.78 carat round brilliant cut diamond. M color, slightly yellow. The clarity is i1 with an inclusion well hidden under the crown facets. The diamond faces up very brillia...

Category

Late 20th Century Loose Gemstones

Materials

Diamond

GIA Certified Round Brilliant Cut Loose Diamond 1.19ct
GIA Certified Round Brilliant Cut Loose Diamond 1.19ct

GIA Certified Round Brilliant Cut Loose Diamond 1.19ct

Located in Laguna Beach, CA

Round brilliant cut, 1.19 carat. GIA graded J color, Vs1 clarity, good symmetry. 57% table size is very good for brilliance. Faces up very attractive and brilliant. GIA lab gradin...

Category

Late 20th Century Loose Gemstones

Materials

Diamond

Bespoke Loose Blue Round Brilliant Cut Diamonds 1.00ct
Bespoke Loose Blue Round Brilliant Cut Diamonds 1.00ct

Bespoke Loose Blue Round Brilliant Cut Diamonds 1.00ct

Located in SYDNEY, NSW

A Set of Assorted Treated Deep Blue Round Brilliant Cut Diamonds, approximately 0.02ct each, 50 in total, weighing 1.00ct. Metal: N/A Carat: 1.00ct Colour: Blue Clarity: N/A Cut: Ro...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond, White Gold

Loose Diamond - Round Brilliant 3.03ct GIA I VS2 Solitaire
Loose Diamond - Round Brilliant 3.03ct GIA I VS2 Solitaire

Loose Diamond - Round Brilliant 3.03ct GIA I VS2 Solitaire

Located in Greensboro, NC

Stone Information Diamond Carat(s): 2.05ct Cut: Round Brilliant Color: I Clarity: SI1 Size: 8.08 - 8.12 X 5.05mm Certified by: GIA Report Number: 6541276755 Total Carats: 2.05ct M...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant 2.00ct GIA H I1 Solitaire
Loose Diamond - Round Brilliant 2.00ct GIA H I1 Solitaire

Loose Diamond - Round Brilliant 2.00ct GIA H I1 Solitaire

Located in Greensboro, NC

Stone Information Diamond Carat(s): 2.00ct Cut: Round Brilliant Color: H Clarity: I1 Size: 8.01 - 8.05 X 4.97mm Certified by: GIA Report Number: 2534954450 Total Carats: 2.00ct Me...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant 1.70ct GIA I SI1 Solitaire
Loose Diamond - Round Brilliant 1.70ct GIA I SI1 Solitaire

Loose Diamond - Round Brilliant 1.70ct GIA I SI1 Solitaire

Located in Greensboro, NC

Stone Information Diamond Carat(s): 1.70ct Cut: Round Brilliant Color: I Clarity: SI1 Size: 7.37 - 7.44 X 4.80mm Certified by: GIA Report Number: 2317729897 Total Carats: 1.70ct M...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant 1.50ct GIA I SI2 Solitaire
Loose Diamond - Round Brilliant 1.50ct GIA I SI2 Solitaire

Loose Diamond - Round Brilliant 1.50ct GIA I SI2 Solitaire

Located in Greensboro, NC

Stone Information Diamond Carat(s): 1.50ct Cut: Round Brilliant Color: I Clarity: SI2 Size: 7.17 - 7.26 X 4.60mm Certified by: GIA Report Number: 2546242229 Total Carats: 1.50ct M...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant 3.03ct GIA I VS2 Solitaire
Loose Diamond - Round Brilliant 3.03ct GIA I VS2 Solitaire

Loose Diamond - Round Brilliant 3.03ct GIA I VS2 Solitaire

Located in Greensboro, NC

Stone Information Natural Diamond Carat(s): 3.03ct Cut: Round Brilliant Color: I Clarity: VS2 Size: 9.26 - 9.30 X 5.75mm Certified by: GIA Report Number: 7396764339 Total Carats: 3...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant 1.13ct GIA E SI1 Solitaire
Loose Diamond - Round Brilliant 1.13ct GIA E SI1 Solitaire

Loose Diamond - Round Brilliant 1.13ct GIA E SI1 Solitaire

Located in Greensboro, NC

Date: April 23, 2026 Stone Information Natural Diamond Carat(s): 1.13ct Cut: Round Brilliant Color: E Clarity: SI1 Size: 6.61 - 6.64 X 4.12mm Certified by: GIA Report Number: 16288...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant .74ct GIA E SI1 Solitaire
Loose Diamond - Round Brilliant .74ct GIA E SI1 Solitaire

Loose Diamond - Round Brilliant .74ct GIA E SI1 Solitaire

Located in Greensboro, NC

Stone Information Natural Diamond Carat(s): 0.74ct Cut: Round Brilliant Color: E Clarity: SI1 Size: 5.86 - 5.88 X 3.57mm Certified by: GIA Report Number: 2235908045 Total Carats: ....

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

GIA Certified Loose Round Brilliant Cut Diamond 2.41 ct
GIA Certified Loose Round Brilliant Cut Diamond 2.41 ct

GIA Certified Loose Round Brilliant Cut Diamond 2.41 ct

Located in Laguna Beach, CA

2.41 carat round brilliant cut diamond graded by GIA. The color grade is I, clarity is Si2. The cut grade is good and there is no fluorescence. The grading report number is 622795896...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

GIA Certified Round Brilliant Cut Loose Diamond 1.01 ct
GIA Certified Round Brilliant Cut Loose Diamond 1.01 ct

GIA Certified Round Brilliant Cut Loose Diamond 1.01 ct

Located in Laguna Beach, CA

Loose 1.01 carat round brilliant cut diamond. GIA graded G color, Si2 clarity, Very Good cut grade.

Category

Mid-20th Century Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant .39ct GIA I SI1 Solitaire
Loose Diamond - Round Brilliant .39ct GIA I SI1 Solitaire

Loose Diamond - Round Brilliant .39ct GIA I SI1 Solitaire

Located in Greensboro, NC

Stone Information Natural Diamond Carat(s): 0.39ct Cut: Round Brilliant Color: I Clarity: SI1 Size: 4.72 X 4.77 X 2.92mm Certified by: GIA Report Number: 1236897442 Total Carats: ....

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant 1.72ct GIA G VVS2 Solitaire
Loose Diamond - Round Brilliant 1.72ct GIA G VVS2 Solitaire

Loose Diamond - Round Brilliant 1.72ct GIA G VVS2 Solitaire

Located in Greensboro, NC

Stone Information Natural Diamond Carat(s): 1.72ct Cut: Round Brilliant Color: G Clarity: VVS2 Size: 7.76 - 7.84 X 4.69mm Certified by: GIA Report Number: 2231902619 Total Carats: ...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant .59ct GIA G I1 Solitaire
Loose Diamond - Round Brilliant .59ct GIA G I1 Solitaire

Loose Diamond - Round Brilliant .59ct GIA G I1 Solitaire

Located in Greensboro, NC

Carat(s): .59ct Cut: Round Brilliant Color: G Clarity: I1 Certified by: GIA Report Number: 2235504561 Condition: New

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant 1.22ctw GIA D I1 Solitaire
Loose Diamond - Round Brilliant 1.22ctw GIA D I1 Solitaire

Loose Diamond - Round Brilliant 1.22ctw GIA D I1 Solitaire

Located in Greensboro, NC

Stone Information Natural Diamond Carat(s): 1.22ct Cut: Round Brilliant Color: D Clarity: I1 Size: 6.75 - 6.78mm X 4.27mm Certified by: GIA Report Number: 2231749894 Total Carats: ...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant .59ct GIA I VS2 Solitaire
Loose Diamond - Round Brilliant .59ct GIA I VS2 Solitaire

Loose Diamond - Round Brilliant .59ct GIA I VS2 Solitaire

Located in Greensboro, NC

Stone Information Natural Diamond Carat(s): 0.59ct Cut: Round Brilliant Color: I Clarity: VS2 Size: 5.31mm X 5.37mm X 3.34mm Certified by: GIA Report Number: 6233700545 Total Carat...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

GIA Certified 0.93 Carat Round Brilliant Cut Loose Diamond
GIA Certified 0.93 Carat Round Brilliant Cut Loose Diamond

GIA Certified 0.93 Carat Round Brilliant Cut Loose Diamond

Located in Laguna Beach, CA

0.93ct RBC GIA i color/VVS1 Clarity, VG cut Diamond 0.93 carat round brilliant cut diamond. GIA graded I color, VVs1 clarity, Very good cut grade. The GIA report number is 6234001843...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

GIA Certified 0.58CT F SI2 Round Brilliant Loose Diamond
GIA Certified 0.58CT F SI2 Round Brilliant Loose Diamond

GIA Certified 0.58CT F SI2 Round Brilliant Loose Diamond

Located in New York, NY

ITEM DESCRIPTIO ID #: 56573 Stone Shape: Round Brilliant Diamond Weight: 0.58CT Clarity: SI2 Color: F Cut: good Measurements: 5.13-5.17*3.42mm Depth %: 66.3% Table %: 57% Symmetry:...

Category

Antique 15th Century and Earlier Loose Gemstones

Materials

White Diamond

Loose Diamond - Round Brilliant 1.01ct GIA E VS1 Solitaire
Loose Diamond - Round Brilliant 1.01ct GIA E VS1 Solitaire

Loose Diamond - Round Brilliant 1.01ct GIA E VS1 Solitaire

Located in Greensboro, NC

Stone Information Natural Diamond Carat(s): 1.01ct Cut: Round Brilliant Color: E Clarity: VS1 Certified by: GIA Report Number: 10806778 Total Carats: 1.01ct Measurements Conditio...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant 1.15ct GIA E VS2 Solitaire
Loose Diamond - Round Brilliant 1.15ct GIA E VS2 Solitaire

Loose Diamond - Round Brilliant 1.15ct GIA E VS2 Solitaire

Located in Greensboro, NC

Carat(s): 1.15ct Cut: Round Brilliant Color: E Clarity: VS2 Certified by: GIA Report Number: 5231356336 Condition: New

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant 1.01ct GIA F VS1 Solitaire
Loose Diamond - Round Brilliant 1.01ct GIA F VS1 Solitaire

Loose Diamond - Round Brilliant 1.01ct GIA F VS1 Solitaire

Located in Greensboro, NC

Carat(s): 1.01ct Cut: Round Brilliant Color: F Clarity: VS1 Certified by: GIA Report Number: 6237308973 Condition: New

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant 1.19ct GIA G SI1 Solitaire
Loose Diamond - Round Brilliant 1.19ct GIA G SI1 Solitaire

Loose Diamond - Round Brilliant 1.19ct GIA G SI1 Solitaire

Located in Greensboro, NC

Carat(s): 1.19ct Cut: Round Brilliant Color: G Clarity: SI1 Certified by: GIA Report Number: 2235279059 Condition: New

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant 1.25ct GIA D SI1 Solitaire
Loose Diamond - Round Brilliant 1.25ct GIA D SI1 Solitaire

Loose Diamond - Round Brilliant 1.25ct GIA D SI1 Solitaire

Located in Greensboro, NC

Carat(s): 1.25ct Cut: Round Brilliant Color: D Clarity: SI1 Certified by: GIA Report Number: 2235115677 Condition: New without Tags

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant .47ct GIA J SI1 Solitaire
Loose Diamond - Round Brilliant .47ct GIA J SI1 Solitaire

Loose Diamond - Round Brilliant .47ct GIA J SI1 Solitaire

Located in Greensboro, NC

Carat: .47ct Cut: Round Brilliant Color: J Clarity: SI1 Certified by: GIA Report Number: 2221881945 Condition: New

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant .39ct GIA F SI1 Solitaire
Loose Diamond - Round Brilliant .39ct GIA F SI1 Solitaire

Loose Diamond - Round Brilliant .39ct GIA F SI1 Solitaire

Located in Greensboro, NC

Carat: .39ct Cut: Round Brilliant Color: F Clarity: SI1 Certified by: GIA Report Number: 6227931192 Condition: New

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant .40ct GIA H VS1 Solitaire
Loose Diamond - Round Brilliant .40ct GIA H VS1 Solitaire

Loose Diamond - Round Brilliant .40ct GIA H VS1 Solitaire

Located in Greensboro, NC

Carat: .40ct Cut: Round Brilliant Color: H Clarity: VS1 Certified by: GIA Report Number: 2235063883 Condition: New

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

GIA Certified 0.91CT D SI1 Round Brilliant Loose Natural Diamond
GIA Certified 0.91CT D SI1 Round Brilliant Loose Natural Diamond

GIA Certified 0.91CT D SI1 Round Brilliant Loose Natural Diamond

Located in New York, NY

ITEM DESCRIPTION ID #: 56575 Stone Shape: Round Brilliant Diamond Weight: 0.91CT Clarity: SI1 Color: D Cut: Poor Measurements: 5.95-6.01*4.05mm Depth %: 67.7% Table %: 61% Symmetr...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond, White Diamond, Blue Diamond

GIA Certified 0.76CT Q-R I3 Round Brilliant Loose Diamond
GIA Certified 0.76CT Q-R I3 Round Brilliant Loose Diamond

GIA Certified 0.76CT Q-R I3 Round Brilliant Loose Diamond

Located in New York, NY

ITEM DESCRIPTIO ID #: 56576 Stone Shape: Round Brilliant Diamond Weight: 0.76CT Clarity: I3 Color: Q-R Cut: very good Measurements: 5.78-5.81*3.69mm Depth %: 63.7% Table %: 57% Sym...

Category

Antique 15th Century and Earlier Loose Gemstones

Materials

Brown Diamond

GIA Certified 0.58CT S-T I2 Round Brilliant Loose Diamond
GIA Certified 0.58CT S-T I2 Round Brilliant Loose Diamond

GIA Certified 0.58CT S-T I2 Round Brilliant Loose Diamond

Located in New York, NY

ITEM DESCRIPTIO ID #: 56566 Stone Shape: Round Brilliant Diamond Weight: 0.58CT Clarity: I2 Color: S-T light brown Cut: Fair Measurements: 5.14-5.21*3.38mm Depth %: 65.4% Table %:...

Category

Antique 15th Century and Earlier Loose Gemstones

Materials

White Diamond

Loose Diamond - Round Brilliant Cut .54ct GIA H SI2 Solitaire
Loose Diamond - Round Brilliant Cut .54ct GIA H SI2 Solitaire

Loose Diamond - Round Brilliant Cut .54ct GIA H SI2 Solitaire

Located in Greensboro, NC

Weight: .54ct Cut: Round Brilliant Color: H Clarity: SI2 Dimensions (mm): 5.16 - 5.23 x 3.25 GIA Report Number: 6214449001 Condition: New Please check out the enlarged pictures...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant Cut .65ct GIA D SI2 Solitaire
Loose Diamond - Round Brilliant Cut .65ct GIA D SI2 Solitaire

Loose Diamond - Round Brilliant Cut .65ct GIA D SI2 Solitaire

Located in Greensboro, NC

Carat(s): .65ct Cut: Round Brilliant Color: D Clarity: SI2 Certified by: GIA Report Number: 14504324 Condition: New

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant Cut .45ct GIA G VS1 Solitaire
Loose Diamond - Round Brilliant Cut .45ct GIA G VS1 Solitaire

Loose Diamond - Round Brilliant Cut .45ct GIA G VS1 Solitaire

Located in Greensboro, NC

Carat: .45ct Cut: Round Brilliant Color: G Clarity: VS1 Certified by: GIA Report Number: 5222532759 Condition: New Please check out the enlarged pictures. Thank you for taking ...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Natural 1.61ct Gia Fancy Yellow I1 Round Brilliant Cut Loose Diamond
Natural 1.61ct Gia Fancy Yellow I1 Round Brilliant Cut Loose Diamond

Natural 1.61ct Gia Fancy Yellow I1 Round Brilliant Cut Loose Diamond

Located in Houston, TX

Might show minor signs of wear. One (1) round brilliant cut natural diamond: Measurements: 7.28mm - 7.47mm in diameter x 4.63mm in depth.

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

1.36 Carat Very Light Green VVS2 Round Brilliant Natural Diamond — GIA Certified
1.36 Carat Very Light Green VVS2 Round Brilliant Natural Diamond — GIA Certified

1.36 Carat Very Light Green VVS2 Round Brilliant Natural Diamond — GIA Certified

By Ajami Diamonds

Located in Ramat Gan, IL

This exquisite 1.36 carat Natural Very Light Green Round Brilliant Diamond is certified by GIA and displays a rare, naturally formed green hue. With an impressive VVS2 clarity grade,...

Category

2010s Loose Gemstones

Materials

Diamond

Loose Diamond - Round Brilliant 1.83ct GIA I I1 Triple Excellent Solitaire
Loose Diamond - Round Brilliant 1.83ct GIA I I1 Triple Excellent Solitaire

Loose Diamond - Round Brilliant 1.83ct GIA I I1 Triple Excellent Solitaire

Located in Greensboro, NC

Carat(s): 1.83ct Cut: Round Brilliant Color: I Clarity: I1 Stone Note: Triple Excellent Certified by: GIA Report Number: 6237455857 Condition: New

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Natural Loose 0.44ct Round Brilliant Fancy Gray Diamond VS Bluish GIA Certified
Natural Loose 0.44ct Round Brilliant Fancy Gray Diamond VS Bluish GIA Certified

Natural Loose 0.44ct Round Brilliant Fancy Gray Diamond VS Bluish GIA Certified

Located in New York, NY

Understated yet unforgettable, this 0.44 carat Round Brilliant Fancy Gray diamond offers a refined, contemporary beauty that stands apart from traditional white stones. Fancy Gray is...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

  • 1

Recent Sales

1.04 Carat 'Loose' Round Brilliant "Leo" Diamond
1.04 Carat 'Loose' Round Brilliant "Leo" Diamond

1.04 Carat 'Loose' Round Brilliant "Leo" Diamond

By The Leo Diamond

Located in Dallas, TX

1 Loose Round Brilliant Diamond 1.04 CT, SI-2, I; with Lab Report "Leo" Report #6526900105

Category

Late 20th Century Loose Gemstones

Materials

Diamond

Loose Diamond, 0.70ct, GIA Certified, Round Brilliant Cut
Loose Diamond, 0.70ct, GIA Certified, Round Brilliant Cut

Loose Diamond, 0.70ct, GIA Certified, Round Brilliant Cut

Located in Vienna, VA

Loose Diamond, 0.70ct, GIA Certified, Round Brilliant Cut Loose Round Brilliant Cut Diamond GIA Certified Weight: 0.70ct Clarity: VS2 Color: F Measurements: 5.68 – 5.72 X 3.53 MM GI...

Category

Antique 15th Century and Earlier Loose Gemstones

Materials

Diamond

Loose Diamond, 1.62ct, GIA Certified, Round Brilliant Cut
Loose Diamond, 1.62ct, GIA Certified, Round Brilliant Cut

Loose Diamond, 1.62ct, GIA Certified, Round Brilliant Cut

Located in Vienna, VA

Loose Diamond, 1.62ct, GIA Certified, Round Brilliant Cut Loose Round Brilliant Cut Diamond GIA Certified Weight: 1.62ct Clarity: SI1 Color: E Measurements: 7.54 – 7.58 X 4.70 MM GI...

Category

Antique 15th Century and Earlier Loose Gemstones

Materials

Diamond

Loose Diamond, 0.96ct, GIA Certified, Round Brilliant Cut
Loose Diamond, 0.96ct, GIA Certified, Round Brilliant Cut

Loose Diamond, 0.96ct, GIA Certified, Round Brilliant Cut

Located in Vienna, VA

Loose Diamond, 0.96ct, GIA Certified, Round Brilliant Cut Loose Round Brilliant Cut Diamond GIA Certified Weight: 0.96ct Clarity: VS2 Color: I Measurements: 5.96 – 6.05 X 4.10 MM GI...

Category

Antique 15th Century and Earlier Loose Gemstones

Materials

Diamond

Loose Colored Diamond, 1.05ct, GIA Certified, Round Brilliant Cut
Loose Colored Diamond, 1.05ct, GIA Certified, Round Brilliant Cut

Loose Colored Diamond, 1.05ct, GIA Certified, Round Brilliant Cut

Located in Vienna, VA

Loose Colored Diamond, 1.05ct, GIA Certified, Round Brilliant Cut Loose Brilliant Cut Diamond GIA Certified Weight: 1.05ct Clarity: I1 Color: Natural, Fancy Intense Orange-Yellow, E...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond, 0.80 CT, GIA Certified, Round Brilliant Cut
Loose Diamond, 0.80 CT, GIA Certified, Round Brilliant Cut

Loose Diamond, 0.80 CT, GIA Certified, Round Brilliant Cut

Located in Vienna, VA

Loose Diamond, 0.80 CT, GIA Certified, Round Brilliant Cut Loose Round Brilliant Cut Diamond GIA Certified Weight: 0.80 CT Clarity: VS2 Color: G Measurements: 5.87 – 5.93 X 3.70 MM ...

Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

Loose Diamond 1.83 Carats Round Brilliant Cut HRD Certified Natural
Loose Diamond 1.83 Carats Round Brilliant Cut HRD Certified Natural

Loose Diamond 1.83 Carats Round Brilliant Cut HRD Certified Natural

Located in Valencia, Comunidad Valenciana

Natural Diamond Brilliant Cut Weight 1.83 Carats Color I / Clarity SI1. Measures 7.63-7.81 mm x 4.94 mm, certified by the HRD laboratory. Ideal to set on a solitary as for pendant S...

Category

21st Century and Contemporary Spanish Modern Loose Gemstones

Materials

Diamond

1.22 Carat Loose H / I1 Round Brilliant Cut Diamond GIA Certified
1.22 Carat Loose H / I1 Round Brilliant Cut Diamond GIA Certified

1.22 Carat Loose H / I1 Round Brilliant Cut Diamond GIA Certified

Located in Sherman Oaks, CA

1.22 Carat Loose H / I1 Round Brilliant Cut Diamond GIA Certified Diamond General Info Diamond Cut: Round Brilliant Measurements:6.90 x 6.86 - 4.15 Diamond Grading Results Cara...

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

0.72 Carat Loose J / VVS2 Round Brilliant Cut Diamond GIA Certified
0.72 Carat Loose J / VVS2 Round Brilliant Cut Diamond GIA Certified

0.72 Carat Loose J / VVS2 Round Brilliant Cut Diamond GIA Certified

Located in Sherman Oaks, CA

0.72 Carat Loose J / VVS2 Round Brilliant Cut Diamond GIA Certified Diamond General Info Diamond Cut: Round Brilliant Measurements: 5.86 x 5.83 - 3.51 mm Diamond Grading Result...

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

1.71 Carat Loose K / VS2 Round Brilliant Cut Diamond GIA Certified
1.71 Carat Loose K / VS2 Round Brilliant Cut Diamond GIA Certified

1.71 Carat Loose K / VS2 Round Brilliant Cut Diamond GIA Certified

Located in Sherman Oaks, CA

1.71 Carat Loose K / VS2 Round Brilliant Cut Diamond GIA Certified Diamond General Info GIA Report Number: 1182391857 Diamond Cut: Round Brilliant Measurements: 7.60 x 7.53 - 4....

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

0.86 Carat Loose D / VS1 Round Brilliant Cut Diamond GIA Certified
0.86 Carat Loose D / VS1 Round Brilliant Cut Diamond GIA Certified

0.86 Carat Loose D / VS1 Round Brilliant Cut Diamond GIA Certified

Located in Sherman Oaks, CA

0.86 Carat Loose D / VS1 Round Brilliant Cut Diamond GIA Certified Diamond General Info Diamond Cut: Round Brilliant Measurements: 6.30 x 6.23 - 3.74 mm Diamond Grading Results...

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

1.37 Carat Loose K / VS2 Round Brilliant Cut Diamond GIA Certified
1.37 Carat Loose K / VS2 Round Brilliant Cut Diamond GIA Certified

1.37 Carat Loose K / VS2 Round Brilliant Cut Diamond GIA Certified

Located in Sherman Oaks, CA

1.37 Carat Loose K / VS2 Round Brilliant Cut Diamond GIA Certified Diamond General Info Diamond Cut: Round Brilliant Measurements: 7.17 x 7.11 - 4.49 mm Diamond Grading Results...

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

1.53 Carat Loose M/VS2 Round Brilliant Cut Diamond GIA Certified
1.53 Carat Loose M/VS2 Round Brilliant Cut Diamond GIA Certified

1.53 Carat Loose M/VS2 Round Brilliant Cut Diamond GIA Certified

Located in Sherman Oaks, CA

1.53 Carat Loose M/ VS2 Round Brilliant Cut Diamond GIA Certified Diamond General Info Diamond Cut: Round Brilliant Measurements:7.57 x 7.54 - 4.42 mm Diamond Grading Results C...

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

1.54 Carat Loose L/VS2 Round Brilliant Cut Diamond GIA Certified
1.54 Carat Loose L/VS2 Round Brilliant Cut Diamond GIA Certified

1.54 Carat Loose L/VS2 Round Brilliant Cut Diamond GIA Certified

Located in Sherman Oaks, CA

1.54 Carat Loose L / VS2 Round Brilliant Cut Diamond GIA Certified Diamond General Info Diamond Cut: Round Brilliant Measurements: 7.51 x 7.47 - 4.53 mm Diamond Grading Results...

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

0.70 Carat Loose E / VS2 Round Brilliant Cut Diamond GIA Certified
0.70 Carat Loose E / VS2 Round Brilliant Cut Diamond GIA Certified

0.70 Carat Loose E / VS2 Round Brilliant Cut Diamond GIA Certified

Located in Sherman Oaks, CA

0.70 Carat Loose E / VS2 Round Brilliant Cut Diamond GIA Certified Diamond General Info GIA Report Number: 6187452729 Diamond Cut: Round Brilliant Measurements: 5.79 x 5.77 - 3....

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

0.51 Carat Loose F/ VS1 Round Brilliant Cut Diamond GIA Certified
0.51 Carat Loose F/ VS1 Round Brilliant Cut Diamond GIA Certified

0.51 Carat Loose F/ VS1 Round Brilliant Cut Diamond GIA Certified

Located in Sherman Oaks, CA

0.51 Carat Loose F/ VS1 Round Brilliant Cut Diamond GIA Certified Diamond General Info GIA Report Number:5181451556 Diamond Cut:Round Brilliant Measurements: 5.31 x 5.24 - 3.08 ...

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

0.48 Carat Loose J/ VS2 Round Brilliant Cut Diamond GIA Certified
0.48 Carat Loose J/ VS2 Round Brilliant Cut Diamond GIA Certified

0.48 Carat Loose J/ VS2 Round Brilliant Cut Diamond GIA Certified

Located in Sherman Oaks, CA

0.48 Carat Loose J/ VS2 Round Brilliant Cut Diamond GIA Certified Diamond General Info Diamond Cut:Round Brilliant Measurements: 5.00 x 4.94 - 3.11 mm Diamond Grading Results C...

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

0.44 Carat Loose G/SI1 Round Brilliant Cut Diamond GIA Certified
0.44 Carat Loose G/SI1 Round Brilliant Cut Diamond GIA Certified

0.44 Carat Loose G/SI1 Round Brilliant Cut Diamond GIA Certified

Located in Sherman Oaks, CA

0.44 Carat Loose G/ SI1 Round Brilliant Cut Diamond GIA Certified Diamond General Info Diamond Cut:Round Brilliant Measurements: 4.95 x 4.87 - 3.04 mm Diamond Grading Results C...

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

1.00 Carat Loose J/ VS1 Round Brilliant Cut Diamond GIA Certified
1.00 Carat Loose J/ VS1 Round Brilliant Cut Diamond GIA Certified

1.00 Carat Loose J/ VS1 Round Brilliant Cut Diamond GIA Certified

Located in Sherman Oaks, CA

1.00 Carat Loose J/ VS1 Round Brilliant Cut Diamond GIA Certified Diamond General Info GIA Report Number: 2185298814 Diamond Cut:Round Brilliant Measurements: 6.30 x 6.27 - 4.04...

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

0.71 Carat Loose F / VS2 Round Brilliant Cut Diamond GIA Certified
0.71 Carat Loose F / VS2 Round Brilliant Cut Diamond GIA Certified

0.71 Carat Loose F / VS2 Round Brilliant Cut Diamond GIA Certified

Located in Sherman Oaks, CA

0.71 Carat Loose F / VS2 Round Brilliant Cut Diamond GIA Certified Diamond General Info GIA Report Number: 2181350664 Diamond Cut: Round Brilliant Measurements: 5.78 x 5.74 - 3....

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

1.14 Carat Loose H/ SI1 Round Brilliant Cut Diamond Gia Certified
1.14 Carat Loose H/ SI1 Round Brilliant Cut Diamond Gia Certified

1.14 Carat Loose H/ SI1 Round Brilliant Cut Diamond Gia Certified

Located in Sherman Oaks, CA

1.14 Carat Loose H/ SI1 Round Brilliant Cut Diamond GIA Certified Diamond General Info GIA Report Number:12010116 Diamond Cut:Round Brilliant Measurements: 6.63 x 6.59 - 4.25 mm...

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

0.61 Carat Loose H/ Si1 Round Brilliant Cut Diamond Gia Certified
0.61 Carat Loose H/ Si1 Round Brilliant Cut Diamond Gia Certified

0.61 Carat Loose H/ Si1 Round Brilliant Cut Diamond Gia Certified

Located in Sherman Oaks, CA

0.61 Carat Loose H/ SI1 Round Brilliant Cut Diamond GIA Certified Diamond General Info GIA Report Number:2185299007 Diamond Cut:Round Brilliant Measurements: 5.37 x 5.27 - 3.40 ...

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

0.59 Carat Loose F/ SI1 Round Brilliant Cut Diamond GIA Certified
0.59 Carat Loose F/ SI1 Round Brilliant Cut Diamond GIA Certified

0.59 Carat Loose F/ SI1 Round Brilliant Cut Diamond GIA Certified

Located in Sherman Oaks, CA

0.59 Carat Loose F/ SI1 Round Brilliant Cut Diamond GIA Certified Diamond General Info GIA Report Number: 5182300207 Diamond Cut: Round Brilliant Measurements: 5.50 x 5.47 - 3.2...

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

0.77 Carat Loose F/ SI2 Round Brilliant Cut Diamond GIA Certified
0.77 Carat Loose F/ SI2 Round Brilliant Cut Diamond GIA Certified

0.77 Carat Loose F/ SI2 Round Brilliant Cut Diamond GIA Certified

Located in Sherman Oaks, CA

0.77 Carat Loose F/ SI2 Round Brilliant Cut Diamond GIA Certified Diamond General Info GIA Report Number:2181300567 Diamond Cut:Round Brilliant Measurements: 5.86 x 5.79 - 3.69 ...

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

0.94 Carat Loose I/ VS2 Round Brilliant Cut Diamond GIA Certified
0.94 Carat Loose I/ VS2 Round Brilliant Cut Diamond GIA Certified

0.94 Carat Loose I/ VS2 Round Brilliant Cut Diamond GIA Certified

Located in Sherman Oaks, CA

0.94 Carat Loose I/ VS2 Round Brilliant Cut Diamond GIA Certified Diamond General Info GIA Report Number:5182298818 Diamond Cut:Round Brilliant Measurements: 6.44 x 6.40 - 3.77 ...

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

1.28 Carat Loose J / SI2 Round Brilliant Cut Diamond GIA Certified
1.28 Carat Loose J / SI2 Round Brilliant Cut Diamond GIA Certified

1.28 Carat Loose J / SI2 Round Brilliant Cut Diamond GIA Certified

Located in Sherman Oaks, CA

1.28 Carat Loose J / SI2 Round Brilliant Cut Diamond GIA Certified Diamond General Info GIA Report Number: 2185391674 Diamond Cut: Round Brilliant Measurements:7.15 x 7.10 - 4.1...

Category

21st Century and Contemporary American Modern Loose Gemstones

Materials

Diamond

GIA certified 0.94CT Loose Round Brilliant Cut Diamond Color J Clarity VVS2
GIA certified 0.94CT Loose Round Brilliant Cut Diamond Color J Clarity VVS2

GIA certified 0.94CT Loose Round Brilliant Cut Diamond Color J Clarity VVS2

Located in חיפה, IL

GIA certified 0.94CT Loose Round Brilliant Cut Diamond Color J Clarity VVS2 Main Stone: ___________ Natural Diamond Cut: Round Brilliant Carat: 0.94CT Color: J Clarity: VVS2 Cut Gra...

Category

2010s Loose Gemstones

Materials

Diamond

GIA certified 1.00CT Loose Round Brilliant Cut Diamond Color K Clarity VS1
GIA certified 1.00CT Loose Round Brilliant Cut Diamond Color K Clarity VS1

GIA certified 1.00CT Loose Round Brilliant Cut Diamond Color K Clarity VS1

Located in חיפה, IL

GIA certified 1.00CT Loose Round Brilliant Cut Diamond Color K Clarity VS1 Main Stone: ___________ Natural Diamond Cut: Round Brilliant Carat: 1.00CT Color: K Clarity: VS1 Cut Grad...

Category

2010s Loose Gemstones

Materials

Diamond

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Loose Round Brilliant Diamond For Sale on 1stDibs

Surely you’ll find the exact loose round brilliant diamond you’re seeking on 1stDibs — we’ve got a vast assortment for sale. You can easily find a 21 antique edition and 38 modern creations to choose from as well. You’re likely to find the perfect loose round brilliant diamond among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those produced as recently as the 21st Century. Creating a loose round brilliant diamond has been a part of the legacy of many jewelers, but those produced by TJD, J. Birnbach and Tamir are consistently popular. Today, if you’re looking for a round cut version of this piece and are unable to find the perfect match, our selection also includes alternatives. Most of our loose round brilliant diamond for sale are for women, but there are 51 pieces available to browse for men.

How Much is a Loose Round Brilliant Diamond?

On average, a loose round brilliant diamond at 1stDibs sells for $3,500, while they’re typically $720 on the low end and $575,000 for the highest priced versions of this item.

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.