Antique & Vintage Fossils for Sale in Online Auctions

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NATURAL CLEAR QUARTZ CRYSTAL OBELISK TOWER ON NATURAL WOODEN BASE: THIS UNIQUE DISPLAY MEASURES 9" HIGH AND 5" WIDE TO BASE

2026

NATURAL CLEAR QUARTZ CRYSTAL OBELISK TOWER ON NATURAL WOODEN BASE

Peddlers AuctionGOSHEN, IN

Carol Sims Acrylic On Canvas "Sea Shells": Carol Sims Acrylic On Canvas "Sea Shells", signed lower right Carol Sims '99 in thin wood frame Sims was awarded The Winsor & Newton Painting Award from The National Acrylic Painters Association; she

2026

Carol Sims Acrylic On Canvas "Sea Shells"

Rafael Osona AuctionsNantucket, MA

SOLD

Carved Stone Watermelon Slice: Hand-carved alabaster stone figure in the form of a watermelon slice, featuring red and green coloration with polished finish and painted seed details. Measures approx. 3 3/4" H x 3 1/4" W x 1 1/2" D.

2026

Carved Stone Watermelon Slice

Olivers Auction LLCBelton, SC

1.98 ctw. VS1 IGI Certified Round Brilliant Cut Loose Diamond (LAB GROWN): IGI Certified Round Brilliant Cut Loose Diamond (LAB GROWN) - Weight :- 1.98 ctw; Color :- F; Clarity :-VS1 #3SS14565v13

2026

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

Triple SSS DesignsBurbank, CA

Sky Blue Topaz 3.51ct: a natural, light-blue,, or bright-blue,, transparent gemstone, typically sourced from Brazil, with high clarity (often VVS/IF) and a Mohs hardness of 8

2026

Sky Blue Topaz 3.51ct

California GemstonesOceanside, CA

Natural Aquamarine 2..33 ct Trillion Cut from Brazil: Unique and versatile. The trillion cut enhances the natural brilliance of the aquamarines, offering a modern and elegant aesthetic that captures light beautifully With a exceptional clarity a crucial

2026

Natural Aquamarine 2..33 ct Trillion Cut from Brazil

California GemstonesOceanside, CA

2 Ct Natural White Diamond Round Cut VVS1 D Grade from South Africa: A top-tier gemstone. It features maximum colorlessness (D-grade). Minute, nearly invisible inclusions (VVS1). This stone has excellent cut, symmetry, and polish, offering superior brilliance.....Pleas

2026

2 Ct Natural White Diamond Round Cut VVS1 D Grade from South Africa

California GemstonesOceanside, CA

Purple Blue Tanzanite 11 ct: captivating blend of violet and blue hues, showcasing strong color saturation, often displaying deep, twilight-like tones, exceptional clarity (Flawless to VVS), excellent cut, and exhibiting unique c

2026

Purple Blue Tanzanite 11 ct

California GemstonesOceanside, CA

Natural Neon Blue Paraiba Tourmaline 3 ct Emerald cut from Brazil: 10.51 x 7.69 x 5.33mm an exceptionally rare, investment-grade gemstone known for its intense "neon" blue-green color caused by copper. Originating from the state of Para?ba, these gems are highly cove

2026

Natural Neon Blue Paraiba Tourmaline 3 ct Emerald cut from Brazil

California GemstonesOceanside, CA

Natural Red Garnet Pear Cut 2ct from Brazil: This is a natural 2-carat red garnet from Brazil, cut into a pear shape, It is known for a rich, deep red color and excellent clarity. These stones are frequently sourced from Minas Gerais, Brazil, an

2026

Natural Red Garnet Pear Cut 2ct from Brazil

California GemstonesOceanside, CA

5 Pieces Irradiated Blue Diamond Parcel - Round Brilliant Cut, 2.4mm, 258A: 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, 258A

ThousandPlanetHunghom, Kowloon

7.10 Carats Aurora Mist Welo Opal - Natural Ethiopian Gemstone 16.6x11x8.1mm, 53XH: This exceptional Welo opal glows with radiant hues of icy blue, mint green, and warm peach, all shimmering beneath a translucent, cloud-like body. The colors appear to drift like mist through the ston

2026

7.10 Carats Aurora Mist Welo Opal - Natural Ethiopian Gemstone 16.6x11x8.1mm, 53XH

ThousandPlanetHunghom, Kowloon

3.09ct Boulder Opal Cabochon - Dynamic Matrix & Play-of-Color Specimen, 55XM: This 3.09ct boulder opal cabochon, measuring 11x8mm, is a striking example of Australia's iconic gemstone, showcasing the raw beauty of nature's artistry. The triangular cabochon is polished to a smoo

2026

3.09ct Boulder Opal Cabochon - Dynamic Matrix & Play-of-Color Specimen, 55XM

ThousandPlanetHunghom, Kowloon

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

Purple Tanzanite Pear Cut 7.3 ct: A high-carat, deeply saturated, and often certified loose gemstone prized for its vivid color and unique pear shape. While top-quality tanzanite is often blue, vivid purple is considered rare.

2026

Purple Tanzanite Pear Cut 7.3 ct

California GemstonesOceanside, CA

Purple Amethyst 9.5 Ct Kite Cut from Brazil: cut into a unique, geometric kite shape, offers a striking, modern look with a large table, Sourced from Brazil, this high-clarity (loupe clean) stone features a deep violet color and excellent cut, m

2026

Purple Amethyst 9.5 Ct Kite Cut from Brazil

California GemstonesOceanside, CA

Light Blue Tourmaline transparent 10.6ct Oval cut from Afganastan: light blue tourmaline is a significant, collector-sized gem, with value heavily dictated by color saturation and clarity. These gemstones are prized for their high clarity and the ability to maintain

2026

Light Blue Tourmaline transparent 10.6ct Oval cut from Afganastan

California GemstonesOceanside, CA

1.66 ct Octogon Cut Natural Purple Amethyst: natural purple amethyst,sourced from Brazil, is an eye-clean to VVS-clarity gemstone featuring an elegant, precision-cut octagon shape . This violet-purple variety of quartz exhibits high-quality, sat

2026

1.66 ct Octogon Cut Natural Purple Amethyst

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

2 days Left

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