Antique & Vintage Fossils for Sale in Online Auctions

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Deep Purple Amethyst 6.29 ct Oval Cut real sparkler No Reserve: a substantial, vibrant, and, teardrop-shaped gemstone, typically sourced from Brazil or Africa. It features a rich violet-purple color, often with eye-clean or VVS-VS clarity, and is commonly used for

2026

Deep Purple Amethyst 6.29 ct Oval Cut real sparkler No Reserve

California GemstonesOceanside, CA

Extremely Rare Purple Tanzanite Pear Cut 7 Ct: a large, rare, and valuable gemstone, prized for its vivid violet-blue or deep purple hue, often with a unique clarity, no visible flaws and pleochroism.

2026

Extremely Rare Purple Tanzanite Pear Cut 7 Ct

California GemstonesOceanside, CA

Colombian Green Emerald 5 ct Trillion Cut: 11 x 11 x 8 mm. a deep, vivid green hue, with cooler, slightly bluish undertones compared to Colombian stones. These stones are renowned for high clarity, excellent polish, and a "strong glow," making

2026

Colombian Green Emerald 5 ct Trillion Cut

California GemstonesOceanside, CA

3.06 Carats Celestial Glow Welo Opal - Natural Ethiopian Gemstone 13.2x9.2x5.1mm, 21XH: This ethereal Welo opal glows with dreamy hues of electric blue, violet, and soft lilac, drifting through a delicate translucent body. The gem's pastel fire evokes the northern lights-fluid, serene, a

2026

3.06 Carats Celestial Glow Welo Opal - Natural Ethiopian Gemstone 13.2x9.2x5.1mm, 21XH

ThousandPlanetHunghom, Kowloon

0.19 Carats Purplish Pink Diamond - Natural Argyle Mine, Australia, 99A: This singular purplish pink diamond from the Argyle mine is a rare and captivating gem, showcasing the distinctive, velvety hue that has made Australian pink diamonds among the most coveted in the wor

2026

0.19 Carats Purplish Pink Diamond - Natural Argyle Mine, Australia, 99A

ThousandPlanetHunghom, Kowloon

3.75ct Winton Boulder Opal Rough - Multicolored Play-of-Color Specimen, 29XM: This 3.75ct Winton boulder opal rough, measuring 17x14mm, is a striking example of Australia's iconic gemstone, showcasing the raw beauty of nature's artistry. The specimen features a milky white to p

2026

3.75ct Winton Boulder Opal Rough - Multicolored Play-of-Color Specimen, 29XM

ThousandPlanetHunghom, Kowloon

Sky Blue Topaz 5ct: 5 Carat beauty

2026

Sky Blue Topaz 5ct

California GemstonesOceanside, CA

London Blue Topaz Marquis cut 2.13 ct NO RESERVE: 2.13-carat London Blue Topaz with a marquise cut is a medium-to-dark, grayish-blue gemstone, often described as having an "steely" appearance, these stones are enhanced with irradiation to achieve the

2026

London Blue Topaz Marquis cut 2.13 ct NO RESERVE

California GemstonesOceanside, CA

JEWELRY ROCK STONE LAPIDARY SPECIMEN: JEWELRY ROCK STONE LAPIDARY SPECIMEN

2026

JEWELRY ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

TURQUENITE CROSS PENDANT ROCK STONE LAPIDARY SPECIMEN: TURQUENITE CROSS PENDANT ROCK STONE LAPIDARY SPECIMEN

2026

TURQUENITE CROSS PENDANT ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

Ordovician Trilobite Fossils Life Assemblage in Matrix: North Africa, Morocco, Ordovician period, ca. 480 to 471 million years ago. A stone matrix containing a "life assemblage" because the stone matrix contains a once living community of creatures that di

2026

Ordovician Trilobite Fossils Life Assemblage in Matrix

Artemis Fine ArtsLouisville, CO

Green River Diplomystus Fossil Panel, Fine Detail: North America, United States, Wyoming, Green River Formation, Eocene Epoch, ca. 53.5 to 48.5 million years ago. A limestone fossil panel preserving a large Diplomystus, carefully prepared to bring for

2026

Green River Diplomystus Fossil Panel, Fine Detail

Artemis Fine ArtsLouisville, CO

Polished Megalodon Shark Fossilized Tooth, 5.4 Inches!: Ancient Seas, Middle Miocene to End of Pliocene Eras, ca. 23 to 2.6 million years ago. A large fossil megalodon tooth, measuring 5.4 inches in length, with a high-gloss polished surface to the obverse

2026

Polished Megalodon Shark Fossilized Tooth, 5.4 Inches!

Artemis Fine ArtsLouisville, CO

5-3/4" Megalodon Tooth - Broad Root, Glossy Crown: Ancient Seas, Middle Miocene to End of Pliocene Eras, ca. 23 to 2.6 million years ago. A polished megalodon tooth measuring just under six inches at 5.8 inches in length. The crown displays strong sym

2026

5-3/4" Megalodon Tooth - Broad Root, Glossy Crown

Artemis Fine ArtsLouisville, CO

Loose Diamond - ROUND 3.27ct D VVS1: Loose Diamond - ROUND 3.27ct D VVS1 Source: This is a real non-mined Diamond that has been grown in a lab Shape: ROUND Carats: 3.27 Color: D Clarity: VVS1 Certification: GIA Video:

2026

Loose Diamond - ROUND 3.27ct D VVS1

Diamond DepotNew York, NY

PAIR OF TUMBLE-UPS RUBY CUT-TO-CLEAR & CLEAR BLOCK CRYSTAL: Pair of tumble-ups beside carafes. One is Bohemian ruby red cut-to-clear and the other is clear block crystal. Both measures approx. 8.25" H X 4.25" W x 4.25" D.

2026

PAIR OF TUMBLE-UPS RUBY CUT-TO-CLEAR & CLEAR BLOCK CRYSTAL

McLaren Auction ServicesAurora, OR

Wrist Watches Lot (14): Fourteen various wrist watches - Fossil, Timex, Casio, Q&Q and more. Please see photos for details and condition.

2026

Wrist Watches Lot (14)

Lot 14 AuctionsNiles, IL

3.92ct Natural London Blue Topaz Fancy cut. NO RESERVE: a deep, "steely" or inky blue color with subtle grey-green undertones, unique "Fancy Cut" shape to maximize scintillation. Sourced from Brazil,

2026

3.92ct Natural London Blue Topaz Fancy cut. NO RESERVE

California GemstonesOceanside, CA

Sky Blue Topaz 0.41ct NO RESERVE: .41 ct tiny but impressive stone.

2026

Sky Blue Topaz 0.41ct NO RESERVE

California GemstonesOceanside, CA

Flawless Natural Mogok Pink Ruby 2.87 Ct Oval Cut: Untreated natural ruby from the Mogok region in Myanmar is an exceptionally rare, high-value gemstone. Tthis untreated (no heat, no enhancements) gem possesses top-tier clarity. It features superior b

2026

Flawless Natural Mogok Pink Ruby 2.87 Ct Oval Cut

California GemstonesOceanside, CA

Amethyst 6.34 ct Oval Cut Nice Color from Brazil: a desirable purple hue, typical of high-quality Brazilian gemstone, which displays a lively, bright violet color. The oval cut enhances its brilliance and is ideal for various jewelry applications, sh

2026

Amethyst 6.34 ct Oval Cut Nice Color from Brazil

California GemstonesOceanside, CA

Purple Amethyst 10.95 Ct Kite Cut from Brazil Wide cut: 17 x 13 x 7mm Unique Purple Amethyst with a Kite Cut is a substantial, specialty-cut gemstone, often sourced from Brazil and designed to act as a statement piece.

2026

Purple Amethyst 10.95 Ct Kite Cut from Brazil Wide cut

California GemstonesOceanside, CA

Deep Purple Amethyst 8 ct Pear Cut really Nice color! Unique Banding: a substantial, vibrant, and, teardrop-shaped gemstone, typically sourced from Brazil or Africa. It features a rich violet-purple color, often with eye-clean or VVS-VS clarity, and is commonly used for

2026

Deep Purple Amethyst 8 ct Pear Cut really Nice color! Unique Banding

California GemstonesOceanside, CA

5.10ct Natural Red Ruby Square Radiant Cut from Mozambique: The color of this ruby is not merely a visual attribute, it is a language of authority and refinement. Vivid red in the Pigeons Blood category carries with it centuries of association with power, dist

2026

5.10ct Natural Red Ruby Square Radiant Cut from Mozambique

California GemstonesOceanside, CA

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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

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

The Great Estate Gem & Antique Discovery Sale

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

3 days Left

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