Antique & Vintage Gems for Sale in Online Auctions

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Approx 980 Grams or 4900 Carats Of Turquoise Nuggets: Offered here for your consideration are approx. 980 grams or 4900 carats of misc. turquoise nuggets. This lot includes polished nuggets in a variety of shapes and sizes. The colors range from light bl

2026

Approx 980 Grams or 4900 Carats Of Turquoise Nuggets

Western Trading PostWickenburg, AZ

0.217 Carat Natural Round Brilliant Cut Diamond G I-1 CGL Certified: One loose natural diamond featuring a round brilliant cut. This gemstone is accompanied by a grading report from the Central Gem Laboratory (CGL) of Japan, report number O2248835. The report identifie

2026

0.217 Carat Natural Round Brilliant Cut Diamond G I-1 CGL Certified

Gallery 63Atlanta, GA

1.00 Carat G-SI1-VG-EX Marquise Cut Natural Diamond with IGL Grading Report: This is a loose natural diamond featuring a marquise cut. The gemstone is accompanied by a gemological grading report from International Gemological Laboratories (IGL), report number 960408. The diamo

2026

1.00 Carat G-SI1-VG-EX Marquise Cut Natural Diamond with IGL Grading Report

Gallery 63Atlanta, GA

Napoleon III Filigree And Enamel Frame With Inset Cabochon And Faceted Semi-precious Gems, C. 19th: easel-back unmarked h: 10 ? x w: 8 ? inches (overall); h: 9 x w: 6 ? inches (opening)CONDITION: velvet backing is very worn kickstand hinge is slightly loose all gems and enamel intact and in very goo

2026

Napoleon III Filigree And Enamel Frame With Inset Cabochon And Faceted Semi-precious Gems, C. 19th

Culper'sPort Washington, NY

Round Brilliant Cut Natural Diamond, 0.201 ct, CGL Certified: This loose round brilliant cut natural diamond is accompanied by a grading report from the Central Gem Laboratory (CGL), report number O2211410, dated January 12, 2022. The diamond is graded with K co

2026

Round Brilliant Cut Natural Diamond, 0.201 ct, CGL Certified

Gallery 63Atlanta, GA

0.228 Carat Round Brilliant Cut Natural Diamond, D Color, SI-1 Clarity, CGL Report: A loose natural diamond of round brilliant cut, accompanied by an original laboratory report from the Central Gem Laboratory (CGL). The diamond is graded with a color grade of D, representing a colorl

2026

0.228 Carat Round Brilliant Cut Natural Diamond, D Color, SI-1 Clarity, CGL Report

Gallery 63Atlanta, GA

4.10 Carats Flawless Aquamarine Gemstone - 19X7X6 mm: 4.10 Carats Flawless Aquamarine Gemstone - 19X7X6 mm SHIPPING: 23$ Worldwide

2026

4.10 Carats Flawless Aquamarine Gemstone - 19X7X6 mm

Fantasy JewelryMuscat, AE

3 Carats Nigerian Aquamarine Gemstone - 11X7X6 mm: 3 Carats Nigerian Aquamarine Gemstone - 11X7X6 mm

2026

3 Carats Nigerian Aquamarine Gemstone - 11X7X6 mm

Fantasy JewelryMuscat, AE

2.50 Carats Natural Deep Blue Aquamarine Gemstone - 10X8X5 mm: 2.50 Carats Natural Deep Blue Aquamarine Gemstone - 10X8X5 mm SHIPPING: 23$ Worldwide

2026

2.50 Carats Natural Deep Blue Aquamarine Gemstone - 10X8X5 mm

Fantasy JewelryMuscat, AE

6.17ct Natural Fresh Water Pearl: Gemstones: Natural Fresh Water Pearl /Carat Weights: 6.17ct /Size or Dimensions: 10 X 10 mm Approx

2026

6.17ct Natural Fresh Water Pearl

Finest Gems Auction Rajasthan, IN

18.41 ct Natural African Amethyst Cab Pear Set: Gemstones: Natural African Amethyst /Carat Weights: 18.41 ct /Size or Dimensions: 10 X 5 mm /Origin : Africa

2026

18.41 ct Natural African Amethyst Cab Pear Set

Finest Gems Auction Rajasthan, IN

1.71 Ct Natural Mozambique Red Ruby Pair: Gemstones: Natural Red RubyCarat Weights: 1.71 ct Size/Dimensions: 5 X 5 mmOrigin: MozambiqueTreatment: Glass Filled

2026

1.71 Ct Natural Mozambique Red Ruby Pair

Finest Gems Auction Rajasthan, IN

3.44 Ct "Beautiful"Aqua Terra Costa Doublet Quartz: Gemstones: Natural Quartz /Carat Weights: 3.44 ct /Size or Dimensions: 10 X 10 mm Approx /Treatment: Doublet QuartzThis beautiful gemstone is crafted from two layers of natural quartz, forming a stunn

2026

3.44 Ct "Beautiful"Aqua Terra Costa Doublet Quartz

Finest Gems Auction Rajasthan, IN

17.98 ct Natural Chalcedony Pear Set: Gemstones: Natual Chalcedony /Carat Weights: 17.98 ct /Size or Dimensions: 8 X 5 mm

2026

17.98 ct Natural Chalcedony Pear Set

Finest Gems Auction Rajasthan, IN

2.01 Ct Natural Royal Blue Moonstone: Gemstones: Natural Blue Moonstone /Carat Weights: 2.01 Ct /Size or Dimensions: 12 X 6 X 4 mm

2026

2.01 Ct Natural Royal Blue Moonstone

Finest Gems Auction Rajasthan, IN

5.24 Ct Natural Hessonite Garnet: Gemstones: Natural Hessonite Garnet /Carat Weights: 5.24 ct /Size or Dimensions: 10.50 X 9.50 X 6.50 mm /Treatment: None

2026

5.24 Ct Natural Hessonite Garnet

Finest Gems Auction Rajasthan, IN

6.78 Ct Natural Hessonite Garnet: Gemstones: Natural Hessonite Garnet /Carat Weights: 6.78 ct /Size or Dimensions: 11.80 X 10 X 7 mm /Treatment: None

2026

6.78 Ct Natural Hessonite Garnet

Finest Gems Auction Rajasthan, IN

3.46 ct Natural Swiss Blue Topaz Set: Gemstones: Natural Blue Topaz /Carat Weights: 3.46 ct /Size or Dimensions: Oval(4 X 3), Marquise(5 X 3), Square(3 X 3), mm /Treatment: Irradiated

2026

3.46 ct Natural Swiss Blue Topaz Set

Finest Gems Auction Rajasthan, IN

7.29 Ct "Top Grade" Natural Ethiopian Fire Opal Rough: Gemstones: Natural Fire Opal /Carat Weights: 7.29 ct /Treatment: No

2026

7.29 Ct "Top Grade" Natural Ethiopian Fire Opal Rough

Finest Gems Auction Rajasthan, IN

17.66 Ct "Top Quality" Natural Green Amethyst: Gemstones: Natural Green Amethyst /Carat Weights: 17.66 Ct /Size or Dimensions: 18.70 X 13.40 X 10.40 mm / Treatment: Heated

2026

17.66 Ct "Top Quality" Natural Green Amethyst

Finest Gems Auction Rajasthan, IN

10.75 ct Natural Red Onyx: Gemstones: Natual Onyx /Carat Weights: 10.75 ct /Size or Dimensions: 16 X 12 X 6 mm Approx

2026

10.75 ct Natural Red Onyx

Finest Gems Auction Rajasthan, IN

4.08 Ct "AAA Grade" Natural Citrine: Gemstones: Natural Citrine /Carat Weights: 4.08 Ct /Size or Dimensions: 11.20 X 8.50 X 6.90 mm Approx

2026

4.08 Ct "AAA Grade" Natural Citrine

Finest Gems Auction Rajasthan, IN

7.56 ct Natural Sunstone: Gemstones: Natural Sunstone /Carat Weights: 7.56 ct /Size or Dimensions: 19 X 11 X 5.60 mm Approx

2026

7.56 ct Natural Sunstone

Finest Gems Auction Rajasthan, IN

0.66 Ct "Play of Colors" Natural Ethiopian Fire Opal: Gemstones: Natural Fire Opal /Carat Weights: 0.66 ct /Size or Dimensions: 7 X 7 mm /Treatment: No

2026

0.66 Ct "Play of Colors" Natural Ethiopian Fire Opal

Finest Gems Auction Rajasthan, IN

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