Antique & Vintage Gems for Sale in Online Auctions

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A Fabergé Gem-Set Silver Cigarette Case with Le: A Fabergé Gem-Set Silver Cigarette Case with Leather Cover Fabergé, Moscow, circa 1899-1908 4 x 2 x 0-5/8 inches (10.2 x 5.1 x 1.6 cm) 95 g

2026

A Fabergé Gem-Set Silver Cigarette Case with Le

Heritage AuctionsDallas, TX

Loose Diamond - OVAL 1.54ct E VVS2: Loose Diamond - OVAL 1.54ct E VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: OVAL Carats: 1.54 Color: E Clarity: VVS2 Certification: IGI Video:

2026

Loose Diamond - OVAL 1.54ct E VVS2

Mynt AuctionsNew York, NY

Loose Diamond - CUSHION MODIFIED 3.5ct Fancy Vivid Pink VS1: Loose Diamond - CUSHION MODIFIED 3.5ct Fancy Vivid Pink VS1 Source: This is a real non-mined Diamond that has been grown in a lab Shape: CUSHION MODIFIED Carats: 3.5 Color: Fancy Vivid Pink Certificat

2026

Loose Diamond - CUSHION MODIFIED 3.5ct Fancy Vivid Pink VS1

Mynt AuctionsNew York, NY

85.19 Ct Natural Yellow Onyx Round Ball Beads Bracelet: Weight - 85.19 Ct / Size - 8.10 - 8.30 mm / 24 Pc's / Shape - Round Ball Beads / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

85.19 Ct Natural Yellow Onyx Round Ball Beads Bracelet

Gems AuctionBangkok, TH

73.79 Ct Natural Ammolite Shell Fancy Cab: weight - 73.79 Ct / Dimensions - 41.00 x 34.00 x 8.40 mm / Shape - Excellent Fancy Cab / Origin - Brazil / Treatment - None

2026

73.79 Ct Natural Ammolite Shell Fancy Cab

Gems AuctionBangkok, TH

5.01 Ct Natural Six Line Star Ruby OVal Cab: Weight - 5.01 Ct / Dimensions - 10.40 x 7.80 x 5.50 mm / Shape - OVal Cab / Clarity - Opaque / Origin - India / Comments - None

2026

5.01 Ct Natural Six Line Star Ruby OVal Cab

Gems AuctionBangkok, TH

4.32 Ct Natural Purple Amethyst Oval Cut Pair: Weight - 4.32 Ct / Dimensions - 10.00 x 7.90 x 5.30 mm / 2 Pc's / Shape -Oval Cut / Color - Purple / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

4.32 Ct Natural Purple Amethyst Oval Cut Pair

Gems AuctionBangkok, TH

5.66 Ct Natural Blue Topaz Pear Drop: Weight - 5.66 Ct / Dimensions - 12.70 x 7.60 x 7.60 mm / Shape - Pear Drop / Color - Blue / Clarity - VVS / Origin - Brazil / Treatment - Irradiated

2026

5.66 Ct Natural Blue Topaz Pear Drop

Gems AuctionBangkok, TH

11.82 Ct Natural Orange Onyx Oval Cut: Weight - 11.82 Ct / Dimensions - 20.50 x 13.10 x 7.70 mm / Shape - Oval Cut / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

11.82 Ct Natural Orange Onyx Oval Cut

Gems AuctionBangkok, TH

1.36 Ct Natural Aquamarine Octagon Cut: Weight - 1.36 Ct / Size - 6.90 x 6.10 x 4.60 mm / Shape - Octagon Cut / Color - baby Blue / Clarity - VVS / Origin -India / Treatment - None

2026

1.36 Ct Natural Aquamarine Octagon Cut

Gems AuctionBangkok, TH

1.27 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 1.27 Ct / Size- 10.80 x 7.70 x 3.10 mm / Shape - Oval Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

1.27 Ct Natural Black Flashing Fire Opal Oval Cut

Gems AuctionBangkok, TH

3.11 Ct Natural Yellow Citrine Round Cut Set: Weight - 3.11 Ct / Dimensions - 5.00 - 5.20 mm / 7 Pc's / Shape - Round Cut / Color - Yellow / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

3.11 Ct Natural Yellow Citrine Round Cut Set

Gems AuctionBangkok, TH

5.27 Ct Natural Green Amethyst Trillion Cut: Weight - 5.27 Ct / Size - 13.10 x 13.10 x 6.70 mm / Shape - Trillion Cut / Color - Green / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

5.27 Ct Natural Green Amethyst Trillion Cut

Gems AuctionBangkok, TH

11.48 Ct Natural Green Malachite Cushion Cab: Weight - 11.48 Ct / Dimensions - 16.30 x 12.50 x 5.10 mm / Shape - Cushion Cab / Color - Green / Clarity - Opaque / Origin - Pakistan / Treatment - None

2026

11.48 Ct Natural Green Malachite Cushion Cab

Gems AuctionBangkok, TH

1.42 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Set: Weight - 1.42 Ct / Dimensions - 5.9x4.2 - 6.3x4.3 mm / 4 Pc's / Shape & Cut - Oval Cab / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

1.42 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Set

Gems AuctionBangkok, TH

1.34 Ct Natural Black Flashing Fire Opal Oval Cut: Weight - 1.34 Ct / Dimensions - 9.60 x 7.00 x 4.50 mm / Shape - Oval Cut / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

1.34 Ct Natural Black Flashing Fire Opal Oval Cut

Gems AuctionBangkok, TH

3.52 Ct Natural Pink Fire Opal Round Beads: Weight - 3.52 Ct / Dimensions - 4.50 - 4.90 mm / 14 Pc's / Shape - Round Beads / Color - Pink / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Heated

2026

3.52 Ct Natural Pink Fire Opal Round Beads

Gems AuctionBangkok, TH

2.46 Ct Natural Yellow Citrine Octagon Cut: Weight - 2.46 Ct / Dimensions - 9.70 x 6.90 x 4.60 mm / Shape - Octagon Cut / Color - Yellow / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

2.46 Ct Natural Yellow Citrine Octagon Cut

Gems AuctionBangkok, TH

8.57 Ct Natural Green Amethyst Cushion Cut: Weight - 8.57 Ct / Size - 13.00 x 12.90 x 7.10 mm / Shape - Cushion Cut / Color - Green / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

8.57 Ct Natural Green Amethyst Cushion Cut

Gems AuctionBangkok, TH

3.27 Ct Natural Multicolor Welo Opal Round Beads: Weight - 3.27 Ct / Dimensions - 3.90 - 4.00 mm / 17 Pc's / Shape & Cut - Round Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

3.27 Ct Natural Multicolor Welo Opal Round Beads

Gems AuctionBangkok, TH

2.24 Ct Natural Semi Precious Pear Cut Set: Weight - 2.24 Ct / Dimensions - 4.8x3.1 - 5.3x3.4 mm / 11 Pc's / Shape -Pear Cut / Amethyst , Topaz, Garnet, Peridot Etc…/ Clarity - Transparent / Origin - Africa / Treatment - None

2026

2.24 Ct Natural Semi Precious Pear Cut Set

Gems AuctionBangkok, TH

7.26 Ct Natural Blue Turquoise Round Beads: Weight - 7.26 Ct / Dimensions - 4.90 - 5.10 mm / 20 Pc's / Shape - Round Beads / Color - Blue / Transparency - Translucent / Origin - Arizona / Treatment - None

2026

7.26 Ct Natural Blue Turquoise Round Beads

Gems AuctionBangkok, TH

18.63 Ct Natural Red Onyx Fancy Cab: Weight - 18.63 Ct / Dimensions - 24.10 x 13.90 x 5.80 mm / Shape - Fancy Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

18.63 Ct Natural Red Onyx Fancy Cab

Gems AuctionBangkok, TH

1.34 Ct Natural Semi Precious Pear Cut Set: Weight - 1.34 Ct / Dimensions - 5.0x3.0 - 5.2x3.2 mm / 6 Pc's / Shape -Pear Cut / Amethyst , Topaz, Garnet, Peridot Etc…/ Clarity - Transparent / Origin - Africa / Treatment - None

2026

1.34 Ct Natural Semi Precious Pear Cut Set

Gems AuctionBangkok, TH

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