Antique & Vintage Fossils for Sale in Online Auctions

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5 Pieces Irradiated Blue Diamond Parcel - Round Brilliant Cut, 2.4mm, 250A: This striking parcel of five loose irradiated blue diamond gems captivates with a vivid, cool blue hue that evokes the intensity of a deep ocean and the clarity of a winter sky. Each stone is cut in a

2026

5 Pieces Irradiated Blue Diamond Parcel - Round Brilliant Cut, 2.4mm, 250A

0.34 Carats Fancy Green Modified Cut Diamond - Natural Loose Gemstone, 50DA: This 0.34 carat modified cut diamond captivates with a rich, fancy green hue that radiates depth and vibrancy from every precisely polished facet. The unique geometric shape enhances the stone's brill

2026

0.34 Carats Fancy Green Modified Cut Diamond - Natural Loose Gemstone, 50DA

0.31 Carats Fancy Color Diamond - Natural African Stone, 4.8x3.6mm, 16A: Africa is renowned as a premier source for natural fancy colored diamonds, celebrated for producing stones with rich, earthy saturation and exceptional light performance. This fancy diamond exemplifie

2026

0.31 Carats Fancy Color Diamond - Natural African Stone, 4.8x3.6mm, 16A

0.26 Carats Fancy Color Diamond - Natural African Stone, 4x3mm, 12A: Africa is renowned as a premier source for natural fancy colored diamonds, celebrated for producing stones with rich, earthy saturation and exceptional light performance. This fancy diamond exemplifie

2026

0.26 Carats Fancy Color Diamond - Natural African Stone, 4x3mm, 12A

0.16 Carats Fancy Color Diamond - Natural African Stone, 3.4x2.9mm, 11A: Africa is renowned as a premier source for natural fancy colored diamonds, celebrated for producing stones with rich, earthy saturation and exceptional light performance. This fancy diamond exemplifie

2026

0.16 Carats Fancy Color Diamond - Natural African Stone, 3.4x2.9mm, 11A

0.76 Carats Fancy Light Yellow Diamond - Natural South African Origin, 11DA: This 0.76 carat fancy light yellow diamond glows with a soft, buttery hue reminiscent of sun-warmed honey, its cushion modified brilliant cut amplifying a luminous, lively sparkle across every precise

2026

0.76 Carats Fancy Light Yellow Diamond - Natural South African Origin, 11DA

0.40 Carats Fancy Blue Rose Cut Diamond - Natural Loose Gemstone, 54DA: This 0.40 carat rose cut diamond captivates with a deep, saturated fancy blue hue that radiates cool intensity from its distinctive flat, faceted surface. The classic rose cut, with its symmetrical ar

2026

0.40 Carats Fancy Blue Rose Cut Diamond - Natural Loose Gemstone, 54DA

27.91 Carats Blue and Rust Pietersite Cabochon - Natural Namibian Stone - 24 x 17.8 x 6.2 mm, 27XK: This striking rectangular pietersite cabochon features a mesmerizing blend of silky midnight blue swirls and earthy rust-toned inclusions. The high-polish finish reveals a storm-like chatoyancy, where

2026

27.91 Carats Blue and Rust Pietersite Cabochon - Natural Namibian Stone - 24 x 17.8 x 6.2 mm, 27XK

5 Pieces Irradiated Blue Diamond Parcel - Round Brilliant Cut, 2.4mm, 243A: This striking parcel of five loose irradiated blue diamond gems captivates with a vivid, cool blue hue that evokes the intensity of a deep ocean and the clarity of a winter sky. Each stone is cut in a

2026

5 Pieces Irradiated Blue Diamond Parcel - Round Brilliant Cut, 2.4mm, 243A

0.21 Carats Fancy Color Diamond - Natural African Stone, 5.6x3.4mm, 17A: Africa is renowned as a premier source for natural fancy colored diamonds, celebrated for producing stones with rich, earthy saturation and exceptional light performance. This fancy diamond exemplifie

2026

0.21 Carats Fancy Color Diamond - Natural African Stone, 5.6x3.4mm, 17A

Natural Santa Maria Aquamarine 6mm 30 pcs Round Cut from Brazil: featuring the rare, deep greenish-blue 'Santa Maria' color, known for high clarity, 'eye-clean' quality, excellent polish, and significant value due to the original mine's scarcity, offering a vibrant

2026

Natural Santa Maria Aquamarine 6mm 30 pcs Round Cut from Brazil

California Gemstones

Natural Colombian Green Emerald Round cut 10 pcs: Vibrant, lush green color, brilliant round facets for sparkle, natural inclusion. Certifications included for authenticity

2026

Natural Colombian Green Emerald Round cut 10 pcs

California Gemstones

Ceylon Blue Sapphire 35 Ct Fancy Cut: Ceylon Blue Sapphire 35 Ct Fancy Cut

2026

Ceylon Blue Sapphire 35 Ct Fancy Cut

California Gemstones

Natural Santa Maria Blue Aquamarine 138 Ct Oval Cut: Certified 138.45 Ct Natural Santa Maria Blue AquamarineThe "Santa Maria" name signifies a rare, deep, pure blue; the darker and more intense the blue, the higher the value.

2026

Natural Santa Maria Blue Aquamarine 138 Ct Oval Cut

California Gemstones

14 American Amethyst Cut and Polished Glass 8.25 inch Plates Mid Century: 14 American Amethyst cut and polished glass 8.25 inch plates Mid Century. Weight: Approx. 15 lbs Measurements: Approx. 8.25 inches diameter Condition: Moderate utensil marks to center. Minute nicks to

2026

14 American Amethyst Cut and Polished Glass 8.25 inch Plates Mid Century

Carnegie's Auction Gallery

Loose Diamond - RADIANT 3.34ct Very Light Brown Pink VS1: Loose Diamond - RADIANT 3.34ct Very Light Brown Pink VS1 Source: This is a real non-mined Diamond that has been grown in a lab Shape: RADIANT Carats: 3.34 Color: Very Light Brown Pink Certification: I

2026

Loose Diamond - RADIANT 3.34ct Very Light Brown Pink VS1

Loose Diamond - OVAL 2.1ct Fancy Vivid Blue VS1: Loose Diamond - OVAL 2.1ct Fancy Vivid Blue VS1 Source: This is a real non-mined Diamond that has been grown in a lab Shape: OVAL Carats: 2.1 Color: Fancy Vivid Blue Certification: IGI Video:

2026

Loose Diamond - OVAL 2.1ct Fancy Vivid Blue VS1

5.09 ctw. VVS2 IGI Certified Round Brilliant Cut Loose Diamond (LAB GROWN): IGI Certified Round Brilliant Cut Loose Diamond (LAB GROWN) - Weight :- 5.09 ctw; Color :- E; Clarity :-VVS2 #3SS61688v15

2026

5.09 ctw. VVS2 IGI Certified Round Brilliant Cut Loose Diamond (LAB GROWN)

Triple SSS Designs

4.66 ctw. SI1 IGI Certified Round Brilliant Cut Loose Diamond (LAB GROWN): IGI Certified Round Brilliant Cut Loose Diamond (LAB GROWN) - Weight :- 4.66 ctw; Color :- F; Clarity :-SI1 #3SS29575v13

2026

4.66 ctw. SI1 IGI Certified Round Brilliant Cut Loose Diamond (LAB GROWN)

Triple SSS Designs

4.02 ctw. VS1 IGI Certified Round Brilliant Cut Loose Diamond (LAB GROWN): IGI Certified Round Brilliant Cut Loose Diamond (LAB GROWN) - Weight :- 4.02 ctw; Color :- G; Clarity :-VS1 #3SS27616v13

2026

4.02 ctw. VS1 IGI Certified Round Brilliant Cut Loose Diamond (LAB GROWN)

Triple SSS Designs

SOLD

THE QUINTESSENTIAL PURPLE STONE: THE QUINTESSENTIAL PURPLE STONE , published in 1991 Hong Kong, good condition!

2026

THE QUINTESSENTIAL PURPLE STONE

Sunburst Auction

ABALONE SHELL: ABALONE SHELL

2026

Col. Christie Hatman Auctioneers

DISPLAY DIAMOND ROCK STONE LAPIDARY SPECIMEN: DISPLAY DIAMOND ROCK STONE LAPIDARY SPECIMEN

2026

DISPLAY DIAMOND ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman Auctioneers

GALENA ROCK STONE LAPIDARY SPECIMEN: GALENA ROCK STONE LAPIDARY SPECIMEN

2026

GALENA ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman Auctioneers

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Fossils Auctions

Rare Fossilized Dinocrocuta Skull, Terrible Hyena

Plateau Monolithic Stone Wolf Ceremonial Axe

Nayarit Seated Bichrome Semi-Nude Male & Female

Fossils | Native American | Ethnographic Art

Artemis Fine Arts

Starts on:

Louisville, CO, 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

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

4 days Left

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