Antique & Vintage Fossils for Sale in Online Auctions

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13.32 Ct Natural Pink Topaz Round Cut Set: Weight - 13.32 Ct / Size - 10.00 - 10.20 mm / 3 Pc's / Shape - Round Cut / Color - Pink / Clarity - VVS / Origin - Brazil / Treatment - Color Coated

2026

13.32 Ct Natural Pink Topaz Round Cut Set

Gems AuctionBangkok, TH

2.30 Ct Natural Sphene Round Cut Set: Weight - 2.30 Ct / Size - 4.00 - 4.50 mm / 7 Pc's / Shape - Round Cut / Color - Greenish yellow / Clarity - SI / Origin - Myanmar / Treatment - None

2026

2.30 Ct Natural Sphene Round Cut Set

Gems AuctionBangkok, TH

26.97 Ct Natural Purple Amethyst Pear Cut: Weight - 26.97 Ct / Size - 27.00 x 15.40 x 12.70 mm / Shape - Pear Cut / Color - Purple / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

26.97 Ct Natural Purple Amethyst Pear Cut

Gems AuctionBangkok, TH

6.00 Ct Natural Flourite Octagon Cut: Weight - 6.00 Ct / Size -11.00 x 9.00 x 7.00 mm / Shape - Octagon Cut / Color - Multicolor / Clarity - VVS / Origin - Brazil / Treatment - None

2026

6.00 Ct Natural Flourite Octagon Cut

Gems AuctionBangkok, TH

20.00 Ct Natural Tiger Eye Oval Cab: Weight - 20.00 Ct / Dimensions - 29.00 x 17.00 x 5.20 mm / Top Class Quality / Oval Cab / Origin - Burmese / Comments - None

2026

20.00 Ct Natural Tiger Eye Oval Cab

Gems AuctionBangkok, TH

14.08 Ct Natural Orange Carnelian Octagon cut: Weight - 14.08 Ct / Dimensions - 16.50 x 12.00 x 9.00 mm / Shape & Cut - Octagon Cut / Transparency - Semi - Opaque / Origin - Brazil

2026

14.08 Ct Natural Orange Carnelian Octagon cut

Gems AuctionBangkok, TH

1.45 Ct Natural Green Tourmaline Octagon Cut: Weight - 1.45 Ct / Size - 8.30 x 6.20 x 3.40 mm / Shape - Octagon Cut / Color - Green / Clarity - VVS / Origin - Mozambique / Treatment - None

2026

1.45 Ct Natural Green Tourmaline Octagon Cut

Gems AuctionBangkok, TH

5.00 Ct Natural Blue Kyanite Oval Cut Pair: weight - 5.00 Ct / Size -9.00 x 7.00 x 4.00 mm / 2 Pc's / Shape - Excellent Oval Cut / Origin - Brazil / Treatment - None

2026

5.00 Ct Natural Blue Kyanite Oval Cut Pair

Gems AuctionBangkok, TH

33.10 Ct Natural Black Onyx Oval Cab Pair: Weight - 33.10 Ct / Size - 20.00 x 15.00 x 7.00 mm / 2 Pc's / Shape - Oval Cab / Color - Black / Clarity - OPaque / Origin - Africa / Treatment - None

2026

33.10 Ct Natural Black Onyx Oval Cab Pair

Gems AuctionBangkok, TH

3.87 Ct Natural Green Prehnite Fancy Cut: Weight - 3.87 Ct / Dimensions - 11.00 x 11.00 x 5.70 mm / Shape & Cut - Fancy Cut / Transparency - Semi Transaprent / Origin - Brazil / Comments - None

2026

3.87 Ct Natural Green Prehnite Fancy Cut

Gems AuctionBangkok, TH

12.55 Ct Natural Obsidian Pear Cab: Weight - 12.55 Ct / Size - 24.00 x 13.70 x 6.20 mm / Shape - Pear Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

12.55 Ct Natural Obsidian Pear Cab

Gems AuctionBangkok, TH

1.85 Ct Natural Green Beryl Octagon Cut: Weight - 1.85 Ct / Size -8.30 x 6.50 x 5.00 mm / Top Class Quality / Octagon Cut / Origin - Brazil / Treatment - None

2026

1.85 Ct Natural Green Beryl Octagon Cut

Gems AuctionBangkok, TH

Loose Diamond - ROUND 4.03ct F SI1: Loose Diamond - ROUND 4.03ct F SI1 Source: This is a real non-mined Diamond that has been grown in a lab Shape: ROUND Carats: 4.03 Color: F Clarity: SI1 Certification: IGI Video:

2026

Loose Diamond - ROUND 4.03ct F SI1

BidhausNew York, NY

Madagascar Douvilleiceras Ammonite Fossil on Stand: East Africa, Madagascar, Early Cretaceous Period (Albian), ca. 125 to 89 million years ago. A fossilized ammonite shell from the genus Douvilleiceras, known for its robust whorls, pronounced ribbing,

2026

Madagascar Douvilleiceras Ammonite Fossil on Stand

Artemis Fine ArtsLouisville, CO

Prehistoric Oreodont Merycoidodon Upper Skull Fossil: North America, Western United States, Oligocene to early Miocene, ca. 33.9 to 16.3 million years ago, a fossilized oreodont (Merycoidodon) upper skull, carefully prepared from its surrounding matrix t

2026

Prehistoric Oreodont Merycoidodon Upper Skull Fossil

Artemis Fine ArtsLouisville, CO

Triceratops Dinosaur Frill Plate Fossil Fragment: North America, Late Cretaceous period, ca. 68 to 66 million years ago. A large fragment of a Triceratops frill plate, originating from the bony shield that once extended over the neck of this celebrat

2026

Triceratops Dinosaur Frill Plate Fossil Fragment

Artemis Fine ArtsLouisville, CO

Megalodon Shark Tooth Fossil w/ Excellent Serrations: Ancient Seas, Middle Miocene to End of Pliocene Eras, ca. 23 to 2.6 million years ago. A large and impressive prehistoric Megalodon shark tooth presented in natural, unpolished condition, retaining it

2026

Megalodon Shark Tooth Fossil w/ Excellent Serrations

Artemis Fine ArtsLouisville, CO

Large Polished Megalodon Tooth - 5.67": Ancient Seas, Middle Miocene to end of Pliocene eras, ca. 23 to 2.6 million years ago. A fossilized tooth from a prehistoric megalodon shark - the enamel has been professionally polished to a smooth t

2026

Large Polished Megalodon Tooth - 5.67"

Artemis Fine ArtsLouisville, CO

Large Triceratops Dinosaur Fossilized Frill Section: North America, Western United States, Late Cretaceous Period, ca. 68 to 66 million years ago. An impressive fossilized section of frill from Triceratops horridus, one of the most iconic ceratopsian di

2026

Large Triceratops Dinosaur Fossilized Frill Section

Artemis Fine ArtsLouisville, CO

Loose Diamond - PEAR 1.0ct Fancy Vivid Blue VVS1: Loose Diamond - PEAR 1.0ct Fancy Vivid Blue VVS1 Source: This is a real non-mined Diamond that has been grown in a lab Shape: PEAR Carats: 1.0 Color: Fancy Vivid Blue Certification: IGI Video:

2026

Loose Diamond - PEAR 1.0ct Fancy Vivid Blue VVS1

Mynt AuctionsNew York, NY

Loose Diamond - RADIANT 0.96ct D VVS2: Loose Diamond - RADIANT 0.96ct D VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: RADIANT Carats: 0.96 Color: D Clarity: VVS2 Certification: IGI Video:

2026

Loose Diamond - RADIANT 0.96ct D VVS2

Mynt AuctionsNew York, NY

Ideal Loose Diamond - ROUND 2.1ct D VVS2: Ideal Loose Diamond - ROUND 2.1ct D VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: ROUND Carats: 2.1 Color: D Clarity: VVS2 Certification: IGI Video:

2026

Ideal Loose Diamond - ROUND 2.1ct D VVS2

Mynt AuctionsNew York, NY

(5)Antique / Vintage Abalone Shells 8" to 9": (5)Antique / Vintage Abalone Shells 8" to 9"

2026

(5)Antique / Vintage Abalone Shells 8" to 9"

A & A Auction GallerySanta Cruz, CA

SOLD

3.5" Fossilized Megalodon Tooth: 3.5" Fossilized Megalodon Tooth Size 3.5" Literature Brooks Auction – Online Auction Terms & Conditions Contact: (856) 694-2960 | info@brooks.auction READ BEFORE YOU BID: We want you to

2026

3.5" Fossilized Megalodon Tooth

Brooks Auction Franklinville, NJ

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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

4 days Left

Massive Chinese Village Silkscreen Print Roll, 13' L

Lovely Hand Crafted Necklace, Mixed Mineral Beads

French Gilt Bronze & Porcelain Mantle Clock, Louis XVI-style

Warehouse: Minerals, Jewelry & Estates

Scollard Auctions

Starts on:

Brea, CA, US

6 days Left

The Great Estate Gem & Antique Discovery Sale

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

5 hrs Left

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