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Lab Gemstones

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3.18 Ct Oval Purple Sapphire CDC lab certified
Located in New York, NY
lab , heat and it is from Madagascar.
Category

2010s Malagasy Loose Gemstones

Materials

Sapphire, Purple Sapphire

3.18 Ct Oval Purple Sapphire CDC lab certified
3.18 Ct Oval Purple Sapphire CDC lab certified
Free Shipping
W 0.29 in D 0.2 in L 0.38 in
2.65 Ct Emerald cut Violet Sapphire CDC lab certified
Located in New York, NY
CDC lab
Category

2010s Loose Gemstones

Materials

Sapphire

2.65 Ct Emerald cut Violet Sapphire CDC lab certified
2.65 Ct Emerald cut Violet Sapphire CDC lab certified
Free Shipping
W 0.3 in D 0.17 in L 0.36 in
Certified 1.25ct Purple Sapphire Unheated Gemstone Ceylon Origin Ring Gemstone
Located in Makola, LK
• Treatment: None Note: A lab certificate of your choice can be made available on request. All our Gemstones
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

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

Certified 1.12ct Natural Vivid Pink Sapphire Unheated Gemstone Ring Gemstone
Located in Makola, LK
Note: A lab certificate of your choice can be made available on request. All our Gemstones are natural
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Pink Diamond, Ruby, Pink Sapphire, Purple Sapphire, Padparadscha Sapphire

Pink Garnet Ring Gemstone 4.25 Carat Loose Gemstone Ceylon Origin
Located in Makola, LK
: 11.1mm x 14mm x 7.8mm • Calibrated: No • Clarity Grade: Full Clean • Treatment: None Note: A lab
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Garnet, Rhodolite

AGCL Certified 0.72 Ct Natural Alexandrite Gemstone Ceylon Origin Ring Gemstone
Located in Makola, LK
Natural rare Alexandrite, This exquisite gemstone originates from Ceylon (Sri Lanka), known for
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Alexandrite

GRS SWISS LAB Certified 5.43 Carat Blue Sapphire (BURMA) Unheat
Located in Taipei, TW
investment in the precious gemstones group as they have been recording constant price growth ,this blue
Category

21st Century and Contemporary Burmese Loose Gemstones

Materials

Blue Sapphire

Certified Natural Pink Sapphire Gemstone 0.45 Carat Ceylon Origin Ring Gemstone
Located in Makola, LK
Natural Unheated Pink Sapphire, This exquisite gemstone originates from Ceylon (Sri Lanka), known
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Pink Diamond, Pink Sapphire

GRS SWISS LAB Certified 2.89 Carat RUBY (BURMA) Un heat
Located in Taipei, TW
clarity1 . Burma ruby is one of the most expensive types of color gemstones on the market. The prices of
Category

21st Century and Contemporary Burmese Loose Gemstones

Materials

Ruby

GRS SWISS LAB Certified 2.89 Carat RUBY (BURMA) Un heat
GRS SWISS LAB Certified 2.89 Carat RUBY (BURMA) Un heat
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W 0.27 in D 0.17 in L 0.41 in
Loose Tanzanite Gemstone 3.3 ct
Located in Laguna Beach, CA
Loose 3.30-carat tanzanite gemstone. No grading lab certificate. The stone is a rectangle cushion
Category

21st Century and Contemporary Loose Gemstones

Materials

Tanzanite

2 Round Mandarin Garnet Gemstones Cts 3.28
Located in Hong Kong, HK
or lab-grown gemstones are used in our products, and the gold content is accurate.
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Mandarin Garnet, Garnet

Certified Blue Sapphire Ceylon Origin Gemstone 1.05 Ct
Located in Makola, LK
Note: A lab certificate of your choice can be made available on request. All our Gemstones are natural
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Blue Sapphire, Purple Sapphire

Certified Blue Sapphire Ceylon Origin Gemstone 1.05 Ct
Certified Blue Sapphire Ceylon Origin Gemstone 1.05 Ct
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W 0.25 in D 0.19 in L 0.29 in
Pink Sapphire 1.45 carat Heart Shape Unheated Gemstone
Located in Makola, LK
• Treatment: None A lab certificate of your choice can be made available on request. The stone is magnified
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Sapphire, Pink Sapphire

1.15 ct Natural Pink Spinel Gemstone Ceylon Origin
Located in Makola, LK
: A lab certificate of your choice can be made available on request. All our Gemstones are natural
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Pink Sapphire, Spinel, Pink Diamond

1.15 ct Natural Pink Spinel Gemstone Ceylon Origin
1.15 ct Natural Pink Spinel Gemstone Ceylon Origin
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W 5.2 in D 4.5 in L 7.6 in
Natural Green Zircon Gemstone 1.50 Carat Ceylon Origin
Located in Makola, LK
• Dimensions: 8.1mm x 7mm x 5.2mm • Calibrated: No • Clarity Grade: VVS2 • Treatment: None Note: A lab
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Zircon

3.10 ct Natural Blue Sapphire Ceylon origin Gemstone Heated
Located in Makola, LK
x 5.21mm • Calibrated: no • Clarity Grade: included • Treatment: Heated Note: A lab certificate of
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Amber, Blue Sapphire, Pink Sapphire, Purple Sapphire

3.10 ct Natural Blue Sapphire Ceylon origin Gemstone Heated
3.10 ct Natural Blue Sapphire Ceylon origin Gemstone Heated
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W 0.31 in D 0.21 in L 0.31 in
4.95 Ct Pigeon Blood Rhodolite Garnet Gemstone Ceylon Origin
Located in Makola, LK
hue, making it a truly remarkable gemstone. With its Oveal shape and a weight of 4.95 carats, this gem
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Garnet, Rhodolite

4.95 Ct Pigeon Blood Rhodolite Garnet Gemstone Ceylon Origin
4.95 Ct Pigeon Blood Rhodolite Garnet Gemstone Ceylon Origin
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W 0.43 in D 0.29 in L 0.54 in
Unheated Purple Sapphire Ring Gem 0.75 Carat Loose Gemstone
Located in Makola, LK
: No • Clarity Grade: VS1 • Treatment: None Note: A lab certificate of your choice can be made
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Sapphire, Blue Sapphire, Purple Sapphire, Padparadscha Sapphire

Unheated Purple Sapphire Ring Gem 0.75 Carat Loose Gemstone
Unheated Purple Sapphire Ring Gem 0.75 Carat Loose Gemstone
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W 0.25 in D 0.16 in L 0.32 in
Ceylon Natural Royal Blue Sapphire, 2.10 Carat Unheated Gemstone
Located in Makola, LK
• Treatment: None Note: A lab certificate of your choice can be made available on request. All our Gemstones
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Blue Sapphire

Kashmir Sapphire Ring Gem 3 Carat Unheated Unmounted Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
" designation by the prestigious AGL gem lab, is being offered unmounted to the most discerning gem collectors
Category

21st Century and Contemporary Indian Contemporary Loose Gemstones

Materials

Sapphire, Blue Sapphire

Certified 1.85 Ct Unheated Pink Sapphire Ceylon Origin Ring Gemstone
Located in Makola, LK
lab certificate of your choice can be made available on request. All our Gemstones are natural earth
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Pink Diamond, Pink Sapphire, Padparadscha Sapphire

Certified 1.08 Ct Unheated Blue Sapphire Ceylon Origin Ring Gemstone
Located in Makola, LK
Ceylon Blue sapphire 1.08 Carats unheated Gemstone • Variety: Sapphire • Origin: Sri Lanka (Ceylon
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Blue Diamond, Blue Sapphire, Spinel, Purple Sapphire

Certified 2.35 ct Natural Unheated White Sapphire Gemstone Ceylon Origin
Located in Makola, LK
• Treatment: None A lab certificate of your choice can be made available on request. The stone is magnified
Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire, Agate, Diamond, White Diamond

Certified 1.20 Ct No heat Padparadscha Sapphire Ceylon Origin Ring Gemstone
Located in Makola, LK
Ceylon rare padparadscha sapphire 1.20 Carats unheated Gemstone • Variety: Sapphire • Origin: Sri
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Diamond, Pink Diamond, Sapphire, Pink Sapphire, Padparadscha Sapphire

Certified Natural No heat Blue Sapphire Ceylon Origin Gemstone 1.15 Ct
Located in Makola, LK
Natural Unheated Blue Sapphire, This exquisite gemstone originates from Ceylon (Sri Lanka), known
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Purple Sapphire, Blue Sapphire

Natural Blue Sapphire Ceylon Origin Ring Gemstone 1.53 Carats GIC certified
Located in Makola, LK
Natural quality Sapphire, This exquisite gemstone originates from Ceylon (Sri Lanka), known for
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Purple Sapphire, Pink Sapphire, Blue Sapphire, Blue Diamond, Diamond

Certified 2.70 ct Natural Royal Blue Sapphire Ceylon Origin Ring gemstone
Located in Makola, LK
Note: A lab certificate of your choice can be made available on request. All our Gemstones are natural
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Sapphire, Blue Sapphire

Rare Vivid Bluish Green Natural Panjshir Emerald Gemstone, 16.80 Ct Hexagon Cut
Located in Peshawar, PK
GEMSTONE TYPE: Emerald PIECE(S): 1 WEIGHT: 16.80 Carats SHAPE: Hexagon Step Cut SIZE (MM): 16.20 x
Category

21st Century and Contemporary Afghan Contemporary Loose Gemstones

Materials

Emerald

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
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Blue Diamond, Blue Sapphire, Purple Sapphire

Certified Unheated Blue Sapphire Ring Gem 1.25 Carat Oval Gemstone Ceylon Origin
Located in Makola, LK
• Clarity Grade: vVS1 • Treatment: None Note: A lab certificate of your choice can be made available on
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Sapphire, Blue Sapphire, Purple Sapphire

45 Heart-Shaped Emerald Ruby and Sapphire Cabochon Cts 40.54
Located in Hong Kong, HK
origins. No synthetic or lab-grown gemstones are used in our products, and the gold content is accurate.
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Multi-gemstone, Emerald, Ruby, Sapphire

IGL Certified 1.00ct Heart Cut Thai Ruby, 6.00x5.37x3.22 mm
Located in เกาะสมุย, TH
this spinel is Thailand (Siam) according to the IGL lab report. -Come with small gemstone box case
Category

21st Century and Contemporary Thai Loose Gemstones

Materials

Ruby

IGL Certified 1.00ct Heart Cut Thai Ruby, 6.00x5.37x3.22 mm
IGL Certified 1.00ct Heart Cut Thai Ruby, 6.00x5.37x3.22 mm
Free Shipping
H 0.22 in W 0.24 in D 0.13 in
GLC Certified 1.25ct Marquise Pink Spinel, 5.08x9.79x3.25 mm, Myanmar
Located in เกาะสมุย, TH
GLC lab report card. Weight= 1.25 carats The country of origin for this spinel is Burma (Myanmar
Category

21st Century and Contemporary Burmese Loose Gemstones

Materials

Spinel

GLC Certified 3.74ct Berry Pinkish- Purple Spinel
Located in เกาะสมุย, TH
intricate and creative jewelry designs. Pinkish-purple color emerald cut Burma spinel with GLC lab report
Category

21st Century and Contemporary Asian Loose Gemstones

Materials

Spinel

GLC Certified 3.74ct Berry Pinkish- Purple Spinel
GLC Certified 3.74ct Berry Pinkish- Purple Spinel
No Reserve
W 0.32 in D 0.21 in L 38.39 in
2.18ct Pear Greenish- Yellow Sapphire, No Heat
Located in เกาะสมุย, TH
sapphire. Weight= 2.18 carats treatment: no indication of heat treatment Gem lab certificate available
Category

21st Century and Contemporary Asian Loose Gemstones

Materials

Yellow Sapphire

2.18ct Pear Greenish- Yellow Sapphire, No Heat
2.18ct Pear Greenish- Yellow Sapphire, No Heat
No Reserve
H 0.44 in W 0.24 in D 0.14 in
GIA certificate Unheated Burma Ruby Pigeon Blood deep red color 1.59ct
Located in bangkok, TH
Rare gemstone alarm burma ruby pigeon blood color with Gia certification Top GIA certificate is
Category

2010s Loose Gemstones

Materials

Ruby

GLC Certified No Heat 3.03ct Thai Greenish-Blue Sapphire, 6.85x9.86x4.68 mm
Located in เกาะสมุย, TH
good saturation of color. This gemstone has not undergone any heat treatment as said in the GLC lab
Category

21st Century and Contemporary Thai Loose Gemstones

Materials

Blue Sapphire

GRS Certified No Heat Briolette Pear Yellow Sapphire Cts 31.44
Located in Hong Kong, HK
exquisite gemstone boasts a mesmerizing weight of 31.44 carats, measuring 22.10 x 18.44 x 9.20 mm. It is
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Yellow Sapphire

Carved Flower Tanzanite Cts 128.94
Located in Hong Kong, HK
lab-grown gemstones are used in our products, and the gold content is accurate.
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Tanzanite

Carved Lady Tanzanite Cts 49.76
Located in Hong Kong, HK
, guaranteeing authenticity, and have been ethically mined. No synthetic or lab-grown gemstones are used in our
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Tanzanite

Heart-Shaped Blue Sapphire Cts 2.11
Located in Hong Kong, HK
. No synthetic or lab-grown gemstones are used in our products, and the gold content is accurate.
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Blue Sapphire

Cushion-Cut Blue Sapphire Cts 1.08
Located in Hong Kong, HK
or lab-grown gemstones are used in our products, and the gold content is accurate.
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Blue Sapphire

2 Dainty Carved Flower Tanzanites Cts 8.70
Located in Hong Kong, HK
, and have been ethically mined. No synthetic or lab-grown gemstones are used in our products, and the
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Tanzanite

Octagon-Shaped Pink and Green Tourmalines Cts 18.40
Located in Hong Kong, HK
have been ethically mined. No synthetic or lab-grown gemstones are used in our products, and the gold
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Tourmaline

Heart-Shaped Pink Sapphire Cts 1.74
Located in Hong Kong, HK
fashioned into the shape of a heart to symbolize passion and love. This gemstone reflects the soft colors
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Pink Sapphire

Sparkling 1 pc Natural Diamond 1.11 ct Round J VS Certified
Located in Delhi, DL
comes with Lab Certificate.
Category

2010s Indian Loose Gemstones

Materials

Diamond

Half-Moon Sapphire 4.19 Cts
Located in Hong Kong, HK
ethically mined. No synthetic or lab-grown gemstones are used in our products, and the gold content is
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Blue Sapphire

Carved Flower Tanzanite Cts 126.36
Located in Hong Kong, HK
have been ethically mined. No synthetic or lab-grown gemstones are used in our products, and the gold
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Tanzanite

Hexagon Pink and Light Pink Sapphires Cts 1.58
Located in Hong Kong, HK
lab-grown gemstones are used in our products, and the gold content is accurate.
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Pink Sapphire

Carved Flower Tanzanite Cts 229.17
Located in Hong Kong, HK
, guaranteeing authenticity, and have been ethically mined. No synthetic or lab-grown gemstones are used in our
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Tanzanite

Carved Leaf Tanzanite Cts 164.44
Located in Hong Kong, HK
, guaranteeing authenticity, and have been ethically mined. No synthetic or lab-grown gemstones are used in our
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Tanzanite

Carved Flower Oval Tanzanite Cts 178.33
Located in Hong Kong, HK
, and have been ethically mined. No synthetic or lab-grown gemstones are used in our products, and the
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Tanzanite

Carved Emerald Jesus Christ Cts 60.84
Located in Hong Kong, HK
. No synthetic or lab-grown gemstones are used in our products, and the gold content is accurate.
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Emerald

Emerald-Cut Ruby Cts 1.31 and Blue Sapphire Cts 2.16 and Emerald Cts 0.92 Loose
Located in Hong Kong, HK
ethically mined. No synthetic or lab-grown gemstones are used in our products, and the gold content is
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Ruby, Blue Sapphire, Emerald

Heart-Shaped Ruby Cts 1.27
Located in Hong Kong, HK
or lab-grown gemstones are used in our products, and the gold content is accurate.
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Ruby

No Heat Loose Burmese Round Sapphire Cts 8.76
Located in Hong Kong, HK
, ensuring authenticity and ethical origins. No synthetic or lab-grown gemstones are used in our products
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Sapphire

Madagascar Purplish Pink Oval Sapphire Cts 1.87 With GRS Certificate
Located in Hong Kong, HK
perfection. Making it an extremely uncommon find in the gemstone industry. Purplish pink sapphires are
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Purple Sapphire, Sapphire

GRS Certified Pigeon Blood 3.02 Carat Natural Unheated Mozambique Ruby
Located in London, GB
design as an engagement ring, cocktail ring, necklace, bracelet, etc. Come with a GRS lab report. ABOUT
Category

2010s Mozambican Loose Gemstones

Materials

Ruby

2 Pear-Shaped Brown Diamonds Cts 2.05
Located in Hong Kong, HK
. No synthetic or lab-grown gemstones are used in our products, and the gold content is accurate.
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Diamond, Brown Diamond

2 Hexagon-Shaped Ruby Carvings Cts 17.47
Located in Hong Kong, HK
authenticity and ethical origins. No synthetic or lab-grown gemstones are used in our products, and the gold
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Ruby

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Lab Gemstones For Sale on 1stDibs

Browse a vast assortment of lab gemstones for sale on 1stDibs. These distinct designs — crafted with great care and often made from gold, silver and sterling silver — can elevate any look. Our selection of items includes 345 vintage examples as well as 800 contemporary versions. Our inventory is broad and distinctive, with accessories on offer that were made as long ago as the 18th Century to those produced as recently as the 21st Century. The designs in our inventory of lab gemstones bearing modern or contemporary hallmarks are very popular. Versions of these items have been a part of the life’s work for many jewelers, but those produced by KATHRYN New York, Diana M. Jewels and Oshi Jewels are consistently popular. While most can agree that any pick from our collection easily elevates most outfits, but the choice of diamond versions from the 490 available is guaranteed to add a special touch to your ensemble. Today, if you’re looking for round cut lab gemstones and are unable to find the perfect match, our selection also includes trillion cut and oval cut alternatives. When shopping our range of lab gemstones, you’ll find that there are less available pieces for men today than there are for women.

How Much are Lab Gemstones?

On average, lab gemstones at 1stDibs sell for $1,088, while they’re typically $117 on the low end and $498,000 for the highest priced versions of this item.