Antique & Vintage Gems for Sale in Online Auctions

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32.04 Ct Natural Poppy Jasper Quartz Pear Cab: weight - 32.04 Ct / Size - 29.00 x 25.10 x 6.30 mm / Shape - Excellent Pear Cab / Origin - Brazil / Treatment - None

2026

32.04 Ct Natural Poppy Jasper Quartz Pear Cab

Gems AuctionBangkok, TH

13.10 Ct Natural Green Chrysoprase Hexagon Cut: Weight - 13.10 Ct / Size - 18.30 x 16.20 x 8.00 mm / Shape - Hexagon Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

13.10 Ct Natural Green Chrysoprase Hexagon Cut

Gems AuctionBangkok, TH

20.26 Ct Natural Mookaite Jasper Quartz Pear Cab: weight - 20.26 Ct / Size - 36.00 x 20.00 x 4.20 mm / Shape - Excellent Pear Cab / Origin - Brazil / Treatment - None

2026

20.26 Ct Natural Mookaite Jasper Quartz Pear Cab

Gems AuctionBangkok, TH

6.28 Ct Natural Moonstone Round Cab: Weight - 6.28 Ct / Size - 12.20 x 12.20 x 6.80 mm / Shape - Round Cab / Clarity - Semi-Transparent / Origin - India / Treatment - None

2026

6.28 Ct Natural Moonstone Round Cab

Gems AuctionBangkok, TH

10.44 Ct Natural Copper Turquoise Oval Cab: Weight - 10.44 Ct / Size - 14.80 x 12.40 x 5.40 mm / Good Color / Oval Cab - Ready for Jewellery Setting / Origin - Arizona / Treatment - None

2026

10.44 Ct Natural Copper Turquoise Oval Cab

Gems AuctionBangkok, TH

20.55 Ct Natural Serphinite Oval Cab: weight - 20.55 Ct / Dimensions - 38.00 x 14.50 x 4.70 mm / Shape - Excellent Oval Cab / Origin - Brazil / Treatment - None

2026

20.55 Ct Natural Serphinite Oval Cab

Gems AuctionBangkok, TH

17.44 Ct Natural Ruby Zoisite Pear Cab: weight - 17.44 Ct / Dimensions - 23.20 x 15.80 x 5.20 mm / Shape - Excellent Pear Cab / Origin - Brazil / Treatment - None

2026

17.44 Ct Natural Ruby Zoisite Pear Cab

Gems AuctionBangkok, TH

16.71 Ct Natural Tibetian Blue Turquoise Oval Cab: Weight - 16.71 Ct / Dimensions - 30.00 x 17.50 x 4.00 mm / Good Color / Oval Cab - Ready for Jewellery Setting / Origin - Tibet / Comments - None

2026

16.71 Ct Natural Tibetian Blue Turquoise Oval Cab

Gems AuctionBangkok, TH

13.23 Ct Natural Blue Onyx Pear Cut: Weight - 13.23 Ct / Size - 17.60 x 17.40 x 8.10 mm / Shape - Pear Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

13.23 Ct Natural Blue Onyx Pear Cut

Gems AuctionBangkok, TH

6.07 Ct Natural Multicolor Welo Opal Flash Fire Round Beads: Weight - 6.07 Ct / Dimensions - 5.90 - 6.20 mm / 8 Pc's / Shape & Cut - Drilled Round Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

6.07 Ct Natural Multicolor Welo Opal Flash Fire Round Beads

Gems AuctionBangkok, TH

13.72 Ct Natural Rutile Prehnite Round Cut: Weight - 13.72 Ct / Size - 16.90 x 16.90 x 7.50 mm / Shape - Round Cut / Clarity - Transparent / Origin - Brazil / Treatment - None

2026

13.72 Ct Natural Rutile Prehnite Round Cut

Gems AuctionBangkok, TH

2.20 Ct Natural Multicolor Welo Opal Top Fire Oval Cab: Weight - 2.20 Ct / Size - 10.00 x 7.80 x 5.50 mm / Shape - Oval cab / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

2026

2.20 Ct Natural Multicolor Welo Opal Top Fire Oval Cab

Gems AuctionBangkok, TH

13.95 Ct Natural Blue Lapis Lazuli Hexagon Cut: Weight - 13.95 Ct / Dimensions -18.40 x 15.90 x 7.60 mm / Shape - Hexagon Cut / Clarity - Opaque / Origin - Afghanisthan / Treatment - None

2026

13.95 Ct Natural Blue Lapis Lazuli Hexagon Cut

Gems AuctionBangkok, TH

7.65 Ct Natural Blue Turquoise Round Cut Beads: Weight - 7.65 Ct / Size -5.50 - 6.10 mm / 10 Pc's / Good Color / Round Beads - Ready for Jewellery Setting / Origin - Arizona / Treatment - None

2026

7.65 Ct Natural Blue Turquoise Round Cut Beads

Gems AuctionBangkok, TH

0.64 Ct Natural Zambian Green Emerald Oval Cut: Weight - 0.64 Ct / Dimensions - 6.80 x 5.00 x 3.30 mm / Shape - Oval Cut / Color - Green / Clarity - SI / Origin - Zambia / Comments - Natural Emeralds are commonly enhanced by oil

2026

0.64 Ct Natural Zambian Green Emerald Oval Cut

Gems AuctionBangkok, TH

6.02 Ct Natural Blue Turquoise Round Beads: Weight - 6.02 Ct / Size - 4.60 - 4.90 mm / 11 Pc's / Good Color / Round Beads - Ready for Jewellery Setting / Origin - Arizona / Treatment - None

2026

6.02 Ct Natural Blue Turquoise Round Beads

Gems AuctionBangkok, TH

43.75 Ct Natural Palm Root Jasper Quartz OVal Cab: weight - 43.75 Ct / Dimensions - 42.00 x 23.60 x 5.40 mm / Shape - Excellent Oval Cab / Origin - Brazil / Treatment - None

2026

43.75 Ct Natural Palm Root Jasper Quartz OVal Cab

Gems AuctionBangkok, TH

7.31 Ct Natural Copper Turquoise Oval Cab: Weight - 7.31 Ct / Size - 13.90 x 9.30 x 4.70 mm / Good Color / Oval Cab - Ready for Jewellery Setting / Origin - Arizona / Treatment - None

2026

7.31 Ct Natural Copper Turquoise Oval Cab

Gems AuctionBangkok, TH

19.92 Ct Natural Dalmation Jasper Quartz Cushion Cab: weight - 19.92 Ct / Size - 26.00 x 13.00 x 5.00 mm / Shape - Excellent Cushion Cab / Origin - Brazil / Treatment - None

2026

19.92 Ct Natural Dalmation Jasper Quartz Cushion Cab

Gems AuctionBangkok, TH

13.39 Ct Natural Moss Agate Hexagon cut: Weight - 13.39 Ct / Size - 18.30 x 16.00 x 8.00 mm / Shape - Excellent Hexagon Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

13.39 Ct Natural Moss Agate Hexagon cut

Gems AuctionBangkok, TH

3.26 Ct Natural Purple Amethyst Hexagon Cut: Weight - 3.26 Ct / Dimensions -10.90 x 9.70 x 5.80 mm / Shape - Hexagon Cut / Color - Purple / Clarity - VVS / Origin -Brazil / Treatment - Heated

2026

3.26 Ct Natural Purple Amethyst Hexagon Cut

Gems AuctionBangkok, TH

1.91 Ct Natural Multicolor Welo Opal Top Fire Oval Cab: Weight - 1.91 Ct / Size - 10.50 x 7.90 x 4.70 mm / Shape - Oval Cab / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

2026

1.91 Ct Natural Multicolor Welo Opal Top Fire Oval Cab

Gems AuctionBangkok, TH

20.27 Ct Natural Peanut Obsidian Pear Cab: weight - 20.27 Ct / Size - 28.00 x 17.40 x 7.00 mm / Shape - Excellent Pear Cab / Origin - Brazil / Treatment - None

2026

20.27 Ct Natural Peanut Obsidian Pear Cab

Gems AuctionBangkok, TH

12.40 Ct Natural Blue Onyx Round Cut: Weight - 12.40 Ct / Size - 17.30 x 17.30 x 7.30 mm / Shape - Round Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

12.40 Ct Natural Blue Onyx Round Cut

Gems AuctionBangkok, TH

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Gems Auctions

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

Live12

Nile Gems | Fine Jewelry & Gemstones Auction

Nile Jewels Co Ltd

Started:

Bangkok, Krung Thep, TH

Magnificent 18.60ct GIA Certified Diamond Ruby Cluster Earrings 18kt**

GIA Certified 3.38ct Natural Orange Sapphire Diamonds Ring 14kt No Heat**

GIA Certified 3.48 carat natural color change alexandrite Ruby diamond ring**

Gems & Glamour: Fine Jewelry & Stones Auction

Chairish Auctions

Ends from:

New York, NY, US

Limited Edition Beethoven Bust Bronze Sculpture by Thomas - 18" x 19"

Abstract Mosaic Artwork – Daisy Flower

Brass "S Guard" Wood Handled Damascus Bowie Hunting Knife

Hidden Gems: 1,000+ Exceptional Lots

Weatherham Estate Treasures

Starts on:

Cobourg, ON, CA

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