Antique & Vintage Fossils for Sale in Online Auctions

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22.53 Ct Natural Mookaite Jasper Quartz Oval Cab: weight - 22.53 Ct / Dimensions - 29.00 x 19.00 x 5.20 mm / Shape - Excellent Oval Cab / Origin - Brazil / Treatment - None

2026

22.53 Ct Natural Mookaite Jasper Quartz Oval Cab

Gems AuctionBangkok, TH

Electric Blue Sapphire Brilliant Oval Cut 10.44 ct from Sri Lanka: An exceptionally large, high-value, and rare gemstone. Sourced from the historic mines of Ceylon, this stone is renowned for it's vibrant, "electric" blue hue.

2026

Electric Blue Sapphire Brilliant Oval Cut 10.44 ct from Sri Lanka

California GemstonesOceanside, CA

Natural Blue Topaz 1.59 ct Round Cut from Brazil: a square-cut, deep ink-blue gemstone with moderate to dark saturation, featuring VVS clarity. Renowned for its rich, sophisticated color, distinct from lighter Swiss/Sky blue.

2026

Natural Blue Topaz 1.59 ct Round Cut from Brazil

California GemstonesOceanside, CA

Authenticed Natural Amethyst Round Cut 5mm 30Pcs 7.36 cts VVS from Bolivia: Bolivian amethyst is known for its intense purple hue and rarity, untreated with high transparency.

2026

Authenticed Natural Amethyst Round Cut 5mm 30Pcs 7.36 cts VVS from Bolivia

California GemstonesOceanside, CA

5.71 Ct Natural Star Sapphire Round Cab: Weight - 5.71 Ct / Size- 10.20 x 10.10 x 5.10 mm / Shape - Round Cab / Clarity - Opaque / Origin - India / Treatment - Unheated

2026

5.71 Ct Natural Star Sapphire Round Cab

Gems AuctionBangkok, TH

104.25 Ct Natural Shattuckite Quartz Oval Cab: weight - 104.25 Ct / Size - 42.00 x 28.00 x 10.00 mm / Shape - Excellent Oval Cab / Origin - Brazil / Treatment - None

2026

104.25 Ct Natural Shattuckite Quartz Oval Cab

Gems AuctionBangkok, TH

3.18 Ct Natural Purple Amethyst Oval Cut: Weight - 3.18 Ct / Size - 11.10 x 9.00 x 6.10 mm / Shape - Oval Cut / Color - Purple / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

3.18 Ct Natural Purple Amethyst Oval Cut

Gems AuctionBangkok, TH

5.43 Ct Natural Purple Amethyst Oval Cab: Weight - 5.43 Ct / Dimensions - 10.00 x 9.40 x 7.80 mm / Shape - Oval Cab / Color - Purple / Clarity - VVS / Origin -Brazil / Treatment - Heated

2026

5.43 Ct Natural Purple Amethyst Oval Cab

Gems AuctionBangkok, TH

8.52 Ct Natural Purple Amethyst Oval Cab: Weight - 8.52 Ct / Dimensions - 13.00 x 11.50 x 7.70 mm / Shape - Oval Cab / Color - Purple / Clarity - VVS / Origin -Brazil / Treatment - Heated

2026

8.52 Ct Natural Purple Amethyst Oval Cab

Gems AuctionBangkok, TH

11.37 Ct Natural Lavender Quartz Oval Cut: Weight : 11.37 Ct / Dimensions : 19.30 x 12.50 x 8.40 mm / Shape : OVal Cut / Color : Lavender / Transparency : Transparent / Treatment : Heated

2026

11.37 Ct Natural Lavender Quartz Oval Cut

Gems AuctionBangkok, TH

1.60 Ct Natural Sillimanite Oval Cut: Weight - 1.60 Ct / Size - 8.00 x 6.00 x 4.80 mm / Shape - Oval Cut / Color - Greenish Yellow / Clarity - VVS / Origin - Madagascar / Treatment - None

2026

1.60 Ct Natural Sillimanite Oval Cut

Gems AuctionBangkok, TH

19.51 Ct Natural Larimar OVal Cab: weight - 19.51 Ct / Dimensions - 24.00 x 17.00 x 6.40 mm / Shape - Excellent Oval Cab / Origin - Brazil / Treatment - None

2026

19.51 Ct Natural Larimar OVal Cab

Gems AuctionBangkok, TH

21.29 Ct Natural Lupid Skin Jasper Quartz Oval Cab: weight - 21.29 Ct / Dimensions - 30.00 x 21.00 x 4.10 mm / Shape - Excellent Oval Cab / Origin - Brazil / Treatment - None

2026

21.29 Ct Natural Lupid Skin Jasper Quartz Oval Cab

Gems AuctionBangkok, TH

1.74 Ct Natural Yellow Beryl Oval cut: Weight - 1.74 Ct / Dimensions - 9.00 x 7.10 x 5.00 mm / Shape - Oval Cut / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

1.74 Ct Natural Yellow Beryl Oval cut

Gems AuctionBangkok, TH

5.67 Ct Natural Green Amethyst Oval Cut: Weight - 5.67 Ct / Size - 18.00 x 8.60 x 6.00 mm / Shape - Oval Cut / Color - Green / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

5.67 Ct Natural Green Amethyst Oval Cut

Gems AuctionBangkok, TH

10.07 Ct Natural Blue Topaz Fancy Cab: Weight - 10.07 Ct / Dimensions - 10.70 x 10.70 x 8.30 mm / Shape Fancy Cab / Color - Blue / Clarity - VVS / Origin - Brazil / Treatment - Irradiated

2026

10.07 Ct Natural Blue Topaz Fancy Cab

Gems AuctionBangkok, TH

7.77 Ct Natural Lemon Quartz Drilled Pear Checkerboard Cut: Weight - 7.77 Ct / Dimensions - 16.80 x 10.90 x 7.90 mm / Top Quality Luster / Excellent Drilled Pear Checkerboard Cut / Origin - Brazil / Comments - Heated

2026

7.77 Ct Natural Lemon Quartz Drilled Pear Checkerboard Cut

Gems AuctionBangkok, TH

12.47 Ct Natural Green Amethyst Oval Football Cut: Weight - 12.47 Ct / Size - 18.10 x 13.00 x 9.90 mm / Shape - Oval Football Cut / Color - Green / Clarity - VVS / Origin - Brazil / Treatment - None

2026

12.47 Ct Natural Green Amethyst Oval Football Cut

Gems AuctionBangkok, TH

35.25 Ct Natural Fruit Jasper Quartz Cushion Cab: weight - 35.25 Ct / Dimensions - 28.00 x 22.00 x 6.50 mm / Shape - Excellent Cushion Cab / Origin - Brazil / Treatment - None

2026

35.25 Ct Natural Fruit Jasper Quartz Cushion Cab

Gems AuctionBangkok, TH

3.56 Ct Natural Purple Amethyst Pear Checkerboard Cut: Weight - 3.56 Ct / Size - 12.30 x 9.10 x 5.70 mm / Shape - Pear Checkerboard Cut / Color - Purple / Clarity - VVS / Origin -Brazil / Treatment - Heated

2026

3.56 Ct Natural Purple Amethyst Pear Checkerboard Cut

Gems AuctionBangkok, TH

15.84 Ct Natural Creek Jasper Quartz Cushion Cab: weight - 15.84 Ct / Dimensions - 18.80 x 16.30 x 6.30 mm / Shape - Excellent Cushion Cab / Origin - Brazil / Treatment - None

2026

15.84 Ct Natural Creek Jasper Quartz Cushion Cab

Gems AuctionBangkok, TH

4.56 Ct Natural Purple Amethyst Fancy Cut: Weight - 4.56 Ct / Size - 11.90 x 11.00 x 7.60 mm / Shape - Fancy Cut / Color - Purple / Clarity - VVS / Origin -Brazil / Treatment - Heated

2026

4.56 Ct Natural Purple Amethyst Fancy Cut

Gems AuctionBangkok, TH

2.71 Ct Natural Apatite Octagon Cut: Weight - 2.71 Ct / Size - 9.30 x 7.00 x 4.70 mm / Top Class Quality / Octagon Cut / Origin - Brazil / Treatment - None

2026

2.71 Ct Natural Apatite Octagon Cut

Gems AuctionBangkok, TH

63.10 Ct Natural Tiger Eye Oval cab: Weight - 63.10 Ct / Dimensions - 43.00 x 28.00 x 5.70 mm / Top Class Quality / Oval Cab / Origin - Burmese / Comments - None

2026

63.10 Ct Natural Tiger Eye Oval cab

Gems AuctionBangkok, TH

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Fossils Auctions

Rare Fossilized Dinocrocuta Skull, Terrible Hyena

Large Woodland Period Steatite Platform Pipe

Roman Imperial Silver Cup with Twin Handles

Fossils | Native American | Ethnographic Art

Artemis Fine Arts

Starts on:

Louisville, CO, US

6 days Left

The Great Estate Gem & Antique Discovery Sale

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

2 days Left

Signed Handel Triple Scrolled Case Base & Geometric Leaded Glass Shade

Designer 18k White Gold & 2 Carat Diamond Earrings

Syd Solomon (American, 1917-2004) Original Abstract Oil and Acrylic on Canvas 'Dawnote'

May Estate & Jewelry Auction

Heritage Gallery Auctions

Starts on:

Patchogue, NY, US

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