Fossils

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9.5 Carat ---- Montana Blue Sapphire ---- Square Step Cut: Known for its delicate, calming sky-to-cornflower blue hue and outstanding luster, this Montana-mined corundum delivers both structural elegance and historical significance.

2026

9.5 Carat ---- Montana Blue Sapphire ---- Square Step Cut

California GemstonesSan Diego, CA

10.54 Carat -- Ceylon Light Blue Spinel --- Rectangle Cut Corner Mixed Cut: This Ceylon blue spinel is a highly sought-after gemstone. Cut into a rectangular shape with clipped corners, it features a mixed cut that maximizes both color saturation and brilliant light reflectio

2026

10.54 Carat -- Ceylon Light Blue Spinel --- Rectangle Cut Corner Mixed Cut

California GemstonesSan Diego, CA

10.38 Carat --- Deep Purple Amethyst ---- Kite Cut----GGI Certified: A bold, triangular-based geometric shape with a large table to maximize light reflection, often exhibiting vibrant, rich violet hues, suitable for custom rings or pendants.

2026

10.38 Carat --- Deep Purple Amethyst ---- Kite Cut----GGI Certified

California GemstonesSan Diego, CA

8.41 Carat --- Blue Sapphire ---- Square Emerald Mixed Cut: Beautiful Stone. Substantial size and specialized faceting. This specific combination typically features the clean, "hall of mirrors" linear steps of an emerald cut on a square frame (often called an

2026

8.41 Carat --- Blue Sapphire ---- Square Emerald Mixed Cut

California GemstonesSan Diego, CA

9.95 Carat -- Russian Deep Purple Alexandrite --- Trillion Cut: Russian Alexandrite with a Trillion Cut is a mesmerizing gemstone. Known for color change from deep purple to steel gray.

2026

9.95 Carat -- Russian Deep Purple Alexandrite --- Trillion Cut

California GemstonesSan Diego, CA

10.40 Carat ---- Ceylon Cinnamon Brown Sapphire --- Heart Cut: Warm "cinnamon" earth tones and romantic heart-shaped cut. Sourced from the prestigious mines of Sri Lanka (Ceylon), these sapphires are highly valued for their exceptional clarity and distinctive col

2026

10.40 Carat ---- Ceylon Cinnamon Brown Sapphire --- Heart Cut

California GemstonesSan Diego, CA

4.70 Carat --- Natural Jeremejevite --- Emerald Cut----AGSL Certified: Exceptionally rare and valuable collector's item. Because this gemstone is rarely found in sizes over 1-2 carats, a stone of this size with high clarity is considered top-tier.

2026

4.70 Carat --- Natural Jeremejevite --- Emerald Cut----AGSL Certified

California GemstonesSan Diego, CA

New Guinea Boar's Head with Cowry Shells, Boar's Tusks and Skin. Sepic River..{Approximate: New Guinea Boar's Head with Cowry Shells, Boar's Tusks and Skin. Sepic River..{Approximate dimensions:. 9 1/4" high with loop x 7" wide x 14 1/2 deep without loop.}.

2026

New Guinea Boar's Head with Cowry Shells, Boar's Tusks and Skin. Sepic River..{Approximate

Michaan's AuctionsAlameda, CA

Original Mammoth Tusk Fossil: Original Mammoth Tusk Fossil fossilized mammoth tusk. Tusks from woolly mammoths have been found in various locations, including the North Sea and Siberia. The tusks were used for foraging for food in

2026

Original Mammoth Tusk Fossil

BOC AUCTION HOUSESelangor, Petaling Jaya

Mazon Creek Style Fossil Collection: As a dedicated collector of Carboniferous paleontology, I find this extensive estate assembly of Pennsylvanian-era (300 million years old} Mazon Creek style ironstone nodule fossils to be highly impre

2026

Mazon Creek Style Fossil Collection

Donley AuctionsUnion, IL

Loose Diamond - OVAL 2.02ct D VVS2: Loose Diamond - OVAL 2.02ct D VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: OVAL Carats: 2.02 Color: D Clarity: VVS2 Certification: IGI Video:

2026

Loose Diamond - OVAL 2.02ct D VVS2

Mynt AuctionsNew York, NY

Loose Diamond - EMERALD 0.45ct Fancy Vivid Pink VVS2: Loose Diamond - EMERALD 0.45ct Fancy Vivid Pink VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: EMERALD Carats: 0.45 Color: Fancy Vivid Pink Certification: NONE Addit

2026

Loose Diamond - EMERALD 0.45ct Fancy Vivid Pink VVS2

Mynt AuctionsNew York, NY

Loose Diamond - EMERALD 2.57ct Fancy Intense Pink VVS2: Loose Diamond - EMERALD 2.57ct Fancy Intense Pink VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: EMERALD Carats: 2.57 Color: Fancy Intense Pink Certification: IGI Ad

2026

Loose Diamond - EMERALD 2.57ct Fancy Intense Pink VVS2

Mynt AuctionsNew York, NY

Loose Diamond - CUSHION MODIFIED 2.04ct Fancy Vivid Pink VS1: Loose Diamond - CUSHION MODIFIED 2.04ct Fancy Vivid Pink VS1 Source: This is a real non-mined Diamond that has been grown in a lab Shape: CUSHION MODIFIED Carats: 2.04 Color: Fancy Vivid Pink Certific

2026

Loose Diamond - CUSHION MODIFIED 2.04ct Fancy Vivid Pink VS1

Mynt AuctionsNew York, NY

18g-Vintage Sterling Silver Fossil Jasper Modernist Open Cuff Bracelet: Vintage sterling silver open cuff bracelet featuring a polished Fossil Jasper cabochon. The bracelet showcases a sleek modernist design with a bezel-set fossil jasper stone framed by graceful curved s

2026

18g-Vintage Sterling Silver Fossil Jasper Modernist Open Cuff Bracelet

Sphere Auctions LLCSun Prarie, WI

Sterling Silver and Polished Ammonite Fossil Statement Ring: This statement ring features a large, polished cross-section of an ammonite fossil as its central ornament. The fossil specimen displays characteristic internal chambers and white suture lines against

2026

Sterling Silver and Polished Ammonite Fossil Statement Ring

Palmer's Auction CoCampbell, NY

Rocks, Crystals, Minerals, Etc: Large collection of rocks, crystals, minerals, geodes, and more. Includes black tourmaline, selenite, Brazilian agate, purple agate, Aragonite cluster, celestite, and more. Specimens range from approx

2026

Rocks, Crystals, Minerals, Etc

Lot 14 AuctionsNiles, IL

A Collection of Approximately 17 Loose Gemstones, Appears to be Amethyst: This lot consists of a collection of approximately 17 loose gemstones that appear to be amethyst. The stones exhibit a range of purple shades, including light lilac, pale lavender, and deep violet. No

2026

A Collection of Approximately 17 Loose Gemstones, Appears to be Amethyst

Palmer's Auction CoCampbell, NY

Factory Sealed Nintendo 3DS Games (4): 1 - Luigi's Mansion: Dark Moon, 2 - River City: Rival Showdown, 3 - Fossil Fighters Frontier, 4 - Fire Emblem Warriors. All games are factory sealed with little to no visible wear and no tears in the

2026

Factory Sealed Nintendo 3DS Games (4)

Lot 14 AuctionsNiles, IL

219 Carats Prehnite Cabochon Suite - Natural Malagasy Single Parcel, 68ZJ: This substantial suite of eight prehnite cabochons, ranging in size from 2.1 to 3.1cm, features a palette of soft, translucent green to pale yellow-green hues, characteristic of high-quality prehnite

2026

219 Carats Prehnite Cabochon Suite - Natural Malagasy Single Parcel, 68ZJ

ThousandPlanetSathorn, Bangkok

Amethyst Gem Tree Sculpture on Crystal Cluster Base: Striking decorative gemstone bonsai tree sculpture featuring polished amethyst crystal leaves wired onto golden branches, with a hand-crafted resin or natural wood trunk. The tree is rooted in a beaut

2026

Amethyst Gem Tree Sculpture on Crystal Cluster Base

Coral Gables AuctionCoral Gables, FL

Natural Yellow Ceylon Sapphire Gemstones 2.02 Ct. Pear Shape 8.9 x 6.9 Mm.: Product ID: 806156640 Product Name: Natural Yellow Sapphire Weight: 2.02 CT. Size: 8.9 x 6.9 x 4 MM. Shape: Pear Color: Yellow Clarity:VVS Luster: Very Good Gems Origin: Ceylon, Sri - Lanka Treatment:

2026

Natural Yellow Ceylon Sapphire Gemstones 2.02 Ct. Pear Shape 8.9 x 6.9 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural Paraiba Color Neon Blue Apatite Gemstones 1.20 Ct. Oval Shape 7.5 x 5.7 Mm.: Product ID: 800613568 Product Name: Natural Apatite Weight: 1.20 CT. Size: 7.5 x 5.7 x 4.3 MM. Shape: Oval Color: Neon Blue Clarity:VSI Luster: Very Good Gems Origin: Tanzania Treatment: Unheated Crys

2026

Natural Paraiba Color Neon Blue Apatite Gemstones 1.20 Ct. Oval Shape 7.5 x 5.7 Mm.

Treasure of Gems & JewelryLake Charles, LA

Natural White Topaz Gemstones 4.99 Ct. 5 Pcs. Round Shape 6.2 Mm.: Product ID: 807168803 Product Name: Natural Topaz Weight: 4.99 CT. Size: 6.2 x 6.2 x 4.4 MM. Shape: Round Color: White Clarity:VSI Luster: Good Gems Origin: Brazil Treatment: Unheated Crystal Structur

2026

Natural White Topaz Gemstones 4.99 Ct. 5 Pcs. Round Shape 6.2 Mm.

Treasure of Gems & JewelryLake Charles, LA

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Fossils Auctions

Beautiful Malachite Dish, 454 grams

Quartz Carved Cockatoos on Pyrite Cluster, 104 grams

Fine Ancient Meteorite Specimen

Summer Jewelry, Fossils and Minerals Auction

Inspired Auctions

Starts on:

Brea, CA, US

AMETHYST ROCK STONE LAPIDARY SPECIMEN

MIXED STONE TREE ROCK STONE LAPIDARY SPECIMEN

COIN AND PLANK NECKLACE

ROUGH ROCKS & RARITIES Bulk Lots Jewelry

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

19 hrs Left

Exhibited Maya Palenque Rubbing - Temple of the Cross

Caddo Blackware Bipod Bottle with Engraved Arched Form

Peter Max Pop Art Poster - "Love" (1969)

Pre-Columbian | Antiquities | Fine Arts

Artemis Fine Arts

Starts on:

Louisville, CO, US

4 days Left

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