Antique & Vintage Fossils for Sale in Online Auctions

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ROCK & MINERAL COLLECTION: This lot features a curated collection of various rocks and minerals.

2026

ROCK & MINERAL COLLECTION

Salem Auction House

Loose Diamond - OVAL 5.1ct E VVS2: Loose Diamond - OVAL 5.1ct E VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: OVAL Carats: 5.1 Color: E Clarity: VVS2 Certification: IGI Video:

2026

Loose Diamond - OVAL 5.1ct E VVS2

Loose Diamond - OVAL 1.0ct Fancy Light Yellow VS2: Loose Diamond - OVAL 1.0ct Fancy Light Yellow VS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: OVAL Carats: 1.0 Color: Fancy Light Yellow Certification: IGI Video:

2026

Loose Diamond - OVAL 1.0ct Fancy Light Yellow VS2

Amethyst Quartz Crystal Geode Specimens 5pc LOT: Lot of five natural amethyst quartz crystal geode specimens featuring purple crystal clusters on matrix. The group includes one larger central plate with four smaller broken sections displaying well f

2026

Amethyst Quartz Crystal Geode Specimens 5pc LOT

MiddleManBrokers Inc.

Large Natural Amethyst Crystal Geode Specimen: Impressive natural amethyst geode specimen featuring densely packed purple quartz crystal formations within a rugged natural stone matrix. The interior displays rich violet tones that transition to li

2026

Large Natural Amethyst Crystal Geode Specimen

Williamson Auction Gallery

Ideal Loose Diamond - ROUND 2.24ct D VVS2: Ideal Loose Diamond - ROUND 2.24ct D VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: ROUND Carats: 2.24 Color: D Clarity: VVS2 Certification: IGI Video:

2026

Ideal Loose Diamond - ROUND 2.24ct D VVS2

Loose Diamond - Round 2.21ct D VVS2: Loose Diamond - Round 2.21ct D VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: Round Carats: 2.21 Color: D Clarity: VVS2 Certification: IGI Condition: Pre-Owned PLEAS

2026

Loose Diamond - Round 2.21ct D VVS2

Kabutops 9/62 Fossil Holo 1999 (VG): Stage 2, 60HP, Rare, 1999, Hologram

2026

Kabutops 9/62 Fossil Holo 1999 (VG)

Vintage Auctions

CGC 9 Articuno Fossil Unlimited 2/62 Holo: CGC Universal Grade. 9 Mint. Articuno Fossil Unlimited. 2/62 holo

2026

CGC 9 Articuno Fossil Unlimited 2/62 Holo

Vintage Auctions

CGC Ditto Fossil Holo 3/62 8.5 NM/MINT+: First Edition, Fossil, holo. CGC Universal Grade

2026

CGC Ditto Fossil Holo 3/62 8.5 NM/MINT+

Vintage Auctions

SOLD

Stunning set of 3 Petrified wood spheres on stands: Title: Stunning set of 3 Petrified wood spheres on stands Maker:Unknown Origin: Indonesia Date/Period:2025 Materials:Petrified wood, resin Dimensions:Height 1 incl. stand: 8 cm Diameter 1: 7 cm / Heig

2026

Stunning set of 3 Petrified wood spheres on stands

Chairish Auctions

26.24 Ct Natural Polka Dot Agate Pear Cab: Weight - 26.24 Ct / Size - 30.00 x 28.00 x 5.20 mm / Shape - Pear Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

26.24 Ct Natural Polka Dot Agate Pear Cab

10.58 Ct Natural Blue Onyx Trillion Cut: Weight - 10.58 Ct / Dimensions - 17.10 x 16.90 x 7.50 mm / Shape - Trillion Cut / Clarity - Opaque / Origin - Brazil / Comments - None

2026

10.58 Ct Natural Blue Onyx Trillion Cut

24.92 Ct Natural Plum Agate Fancy Cab Pair: Weight - 24.92 Ct / Dimensions - 32.00 x 13.40 x 4.10 mm / 2 Pc's / Shape - Fancy Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

24.92 Ct Natural Plum Agate Fancy Cab Pair

11.59 Ct Natural Green Opal Oval Cab: Weight - 11.59 Ct / Size - 17.20 x 13.30 x 8.60 mm / Shape - Oval Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

11.59 Ct Natural Green Opal Oval Cab

15.00 Ct Natural Pink Cobalt Oval Cab: Weight - 15.00 Ct / Dimensions - 29.00 x 14.60 x 4.80 mm / Shape - Oval Cab / Transparency - Opaque / Origin - Brazil / Treatment - None

2026

15.00 Ct Natural Pink Cobalt Oval Cab

5.33 Ct Natural Black Onyx Fancy Cab: Weight - 5.33 Ct / Size - 19.50 x 11.00 x 3.90 mm / Shape - Fancy Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

5.33 Ct Natural Black Onyx Fancy Cab

14.71 Ct Natural Chrome-Chalcedony Fancy Cab: weight - 14.71 Ct / Dimensions - 33.00 x 11.30 x 6.40 mm / Shape - Excellent Fancy Cab / Origin - Brazil / Treatment - None

2026

14.71 Ct Natural Chrome-Chalcedony Fancy Cab

6.61 Ct Natural Andesine Pear Cut: Weight - 6.61 Ct / Size - 18.00 x 11.50 x 6.30 mm / Shape - Pear Cut / Color - Brown / Clarity - SI / Origin - Congo / Treatment - Heated

2026

6.61 Ct Natural Andesine Pear Cut

34.00 Ct Natural Green Tsavorite Oval Cab: Weight - 34.00 Ct / Dimensions - 25.00 x 17.00 x 9.00 mm / Top Quality Luster / Excellent Oval Cab / Origin - Brazil / Comments - None

2026

34.00 Ct Natural Green Tsavorite Oval Cab

18.89 Ct Natural Purpurite-Stichtite Pear Cab: Weight - 18.89 Ct / Dimensions - 28.00 x 23.00 x 5.40 mm / Top Class Quality / Pear Cab / Origin - Brazil / Comments - None

2026

18.89 Ct Natural Purpurite-Stichtite Pear Cab

3.84 Ct Natural Green Amethyst Cushion Set: Weight - 3.84 Ct / Dimensions - 7.10 x 4.20 - 7.10 x 4.60 mm / 3 Pc's / Shape - Cushion Cut / Color - Purple / Clarity - VVS / Origin -Brazil / Treatment - Heated

2026

3.84 Ct Natural Green Amethyst Cushion Set

19.58 Ct Natural Labradorite Octagon Cab: Weight - 19.58 Ct / Size - 27.00 x 11.80 x 5.80 mm / Shape - Excellent Octagon cab / Clarity - Opaque / Origin - Africa / Treatment - None

2026

19.58 Ct Natural Labradorite Octagon Cab

5.89 Ct Natural Purple Amethyst Cushion Checkerboard Cut: Weight - 5.89 Ct / Dimensions - 11.40 x 11.30 x 7.00 mm / Shape - Cushion Cut / Color - Purple / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

5.89 Ct Natural Purple Amethyst Cushion Checkerboard Cut

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Fossils Auctions

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

Guro Gu Female Dance Mask | Hardwood | Coiffure Scarification

Fossilized Entelodont Hell Pig Skull

Egyptian Faience Ushabtis

ARTE PRIMITIVO Tribal, Ethnographic, Ancient

Artemis Fine Arts

Starts on:

Louisville, CO, US

5 days Left

Costa Rica Head Vessel, Feline & Reclining Deity

Jalisco Red-Slip Hunchback Figure - Conical Headdress

Mississippian Cat Serpent Effigy Bowl (Mythic Water Being)

ARTE PRIMITIVO Pre-Columbian, Native American

Artemis Fine Arts

Starts on:

Louisville, CO, US

4 days Left

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