Antique & Vintage Gems for Sale in Online Auctions

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2.89 ct "Rare & A Grade" Natural Grandidierite Faceted Set: Gemstones: Natural Grandidierite /Carat Weights: 2.89 ct /Size or Dimensions: 7 X 5 mm Approx

2026

2.89 ct "Rare & A Grade" Natural Grandidierite Faceted Set

Finest Gems Auction

2.26 ct Natural Swiss Blue Topaz Set: Gemstones: Natural Blue Topaz /Carat Weights: 2.26 ct /Size or Dimensions: 4 X 4 mm /Treatment: Irradiated

2026

2.26 ct Natural Swiss Blue Topaz Set

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1.75 Ct "Play of Colors" Natural Ethiopian Fire Opal Cut: Gemstones: Natural Fire Opal /Carat Weights: 1.75 ct /Size or Dimensions: 7 X 5 mm /Treatment: No

2026

1.75 Ct "Play of Colors" Natural Ethiopian Fire Opal Cut

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23 ct Natural Chalcedony Round Set: Gemstones: Natual Chalcedony /Carat Weights: 23 ct /Size or Dimensions: 8 mm

2026

23 ct Natural Chalcedony Round Set

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1.68 Ct Natural Red Ruby: Gemstones: Natural Red RubyCarat Weights: 1.68 ct Size/Dimensions: 8 X 6 X 4 mmOrigin: MozambiqueTreatment: Glass Filled

2026

1.68 Ct Natural Red Ruby

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5.73 Ct Natural Citrine: Gemstones: Natural Citrine /Carat Weights: 5.73 Ct /Size or Dimensions: 14.40 X 9 X 7 mm Approx

2026

5.73 Ct Natural Citrine

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1.45 ct Natural Green Aquamarine: Gemstones: Natural Green AquamarineCarat Weights: 1.45 ct Size/Dimensions: 9 X 7 mmTreatment: Natural

2026

1.45 ct Natural Green Aquamarine

Finest Gems Auction

6.61 Ct "Top Grade" Natural Ethiopian Fire Opal Rough: Gemstones: Natural Fire Opal /Carat Weights: 6.61 ct /Treatment: No

2026

6.61 Ct "Top Grade" Natural Ethiopian Fire Opal Rough

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4.08 ct "Top Quality" Natural Bicolor Ametrine: Gemstones: Natural Ametrine /Carat Weights: 4.08 ct /Size or Dimensions: 11.70 X 11.60 X 6.50 mm Approx

2026

4.08 ct "Top Quality" Natural Bicolor Ametrine

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0.89 Ct "Play of Colors" Natural Ethiopian Fire Opal: Gemstones: Natural Fire Opal /Carat Weights: 0.89 ct /Size or Dimensions: 8 X 6 X 3 mm /Treatment: No

2026

0.89 Ct "Play of Colors" Natural Ethiopian Fire Opal

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38.80 Ct Natural Rain Forest Rhyolite Jasper: Gemstones: Natural Jasper /Carat Weights: 38.80 ct /Size or Dimensions: 39 X 21 X 6 MM Approx

2026

38.80 Ct Natural Rain Forest Rhyolite Jasper

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7.23 Ct "Beautiful"Aqua Terra Costa Doublet Quartz: Gemstones: Natural Quartz /Carat Weights: 7.23 ct /Size or Dimensions: 12 X 12 mm Approx /Treatment: Doublet QuartzThis beautiful gemstone is crafted from two layers of natural quartz, forming a stunn

2026

7.23 Ct "Beautiful"Aqua Terra Costa Doublet Quartz

Finest Gems Auction

5.70 Ct "Top Grade" Natural Ethiopian Fire Opal Rough: Gemstones: Natural Fire Opal /Carat Weights: 5.70 ct /Treatment: No

2026

5.70 Ct "Top Grade" Natural Ethiopian Fire Opal Rough

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5.61 Ct Natural Hessonite Garnet: Gemstones: Natural Hessonite Garnet /Carat Weights: 5.61 ct /Size or Dimensions: 12 X 8.30 X 6.40 mm /Treatment: None

2026

5.61 Ct Natural Hessonite Garnet

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6.66 Ct Natural Royal Blue Moonstone Cut: Gemstones: Natural Blue Moonstone /Carat Weights: 6.66 Ct /Size or Dimensions: 14 X 14 X 6.70 mm

2026

6.66 Ct Natural Royal Blue Moonstone Cut

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16.37 Ct Natural Golden Tiger's Eye: Gemstones: Natural Tiger's Eye /Carat Weights: 16.37 ct /Size or Dimensions: 23 X 15 X 5.80 mm /Treatment: No

2026

16.37 Ct Natural Golden Tiger's Eye

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5.15 ct "Top Qulaity" Natural Yellow Mystic Quartz: Gemstones: Natural Mystic Quartz /Carat Weights: 5.15 ct /Size or Dimensions: 12 X 10 X 6.30 mm /Treatment: Coated

2026

5.15 ct "Top Qulaity" Natural Yellow Mystic Quartz

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2.07 ct Natural African Amethyst: Gemstones: Natural African Amethyst /Carat Weights: 2.07 ct /Size or Dimensions: 10 X 8 X 4.60 mm /Origin : Africa

2026

2.07 ct Natural African Amethyst

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4.88 ct Natural Spiny Oyster Turquoise Oval: Gemstones: Composite Spiny Oyster Turquoise /Carat Weights: 4.88 ct /Size or Dimensions: 13.60 X 10 X 4.50 mm Approx

2026

4.88 ct Natural Spiny Oyster Turquoise Oval

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0.69 Ct Natural Mozambique Red Ruby: Gemstones: Natural Red RubyCarat Weights: 0.69 ct Size/Dimensions: 5 X 5 X 2.80 mmOrigin: MozambiqueTreatment: Glass Filled

2026

0.69 Ct Natural Mozambique Red Ruby

Finest Gems Auction

8.33 ct "Top Quality" Brazilian Natural Purple Amethyst: Gemstones: Natural Brazil Amethyst /Carat Weights: 8.33 ct /Size or Dimensions: 15.80 X 13.80 X 7.30 mm /Origin : Brazil

2026

8.33 ct "Top Quality" Brazilian Natural Purple Amethyst

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6.82 ct "Top Quality" Natural Deep Purple African Amethyst: Gemstones: Natural African Amethyst /Carat Weights: 6.82 ct /Size or Dimensions: 12.70 X 10.60 X 7 mm /Origin : Africa

2026

6.82 ct "Top Quality" Natural Deep Purple African Amethyst

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1.04 ct Natural Tourmaline: Gemstones: Natural Tourmaline /Carat Weights: 1.04 ct /Size or Dimensions: 5 X 5 mm

2026

1.04 ct Natural Tourmaline

Finest Gems Auction

1.80 ct Natural Green Aquamarine: Gemstones: Natural Green AquamarineCarat Weights: 1.80 ct Size/Dimensions: 8 X 6 mmTreatment: Natural

2026

1.80 ct Natural Green Aquamarine

Finest Gems Auction

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24

Gems Auctions

Gilded Earth: Antiques, Gems and Treasures

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

1 day Left

5" x 5" Framed Male Equatorial Mimic Fprester Butterfly - Euphaedra Imitans

Milo Original Bronze Cardinal Sitting on Pomegranate Sculpture – 9" x 4"

1901 Royal White Basket of Flowers Russian Inspired Egg

1200+ Elegant Finds & Collector Gems

Weatherham Estate Treasures

Starts on:

Cobourg, ON, CA

18K White Gold Kashmir Sapphire Ring with Diamonds

18K White Gold Paraiba ring With Diamonds

18K Gold-Plated 925 Silver Chain with amethyst, topaz and lemon quartz pear shape

Live21

Nile Gems | Fine Jewelry & Gemstones Auction

Nile Jewels Co Ltd

Started:

Bangkok, Krung Thep, TH

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