Fossil Fossils

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0.33ct Untreated Natural Fancy Diamond Loose Gemstone, 91BH: This fully polished untreated natural fancy diamond features inherent internal mineral markings characteristic of natural diamond formation, measured at calibrated dimensions of 5.1x4x2.6mm. Precision

2026

0.33ct Untreated Natural Fancy Diamond Loose Gemstone, 91BH

ThousandPlanetSathorn, Bangkok

16.93ct Natural Baltic Polished Loose Freeform Amber Gemstone, 56AT, 56AT: This smoothly polished freeform amber piece carries warm translucent organic clarity with fine natural fossil flecks and tiny mineral inclusions suspended throughout its 38x17mm flowing unstructured s

2026

16.93ct Natural Baltic Polished Loose Freeform Amber Gemstone, 56AT, 56AT

ThousandPlanetSathorn, Bangkok

Pr. of Iridescent Ammolite Fossil Specimens: Pr. of Iridescent Ammolite Fossil Specimens, 3.5in by 3.5in, Fossil: 1.25in

2026

Pr. of Iridescent Ammolite Fossil Specimens

Bryant Art AuctionPlacentia, CA

Half-Ammonite Fossil and Polished Carnelian Specim: Half-Ammonite Fossil and Polished Carnelian Specimen, 3in by 2.5in

2026

Half-Ammonite Fossil and Polished Carnelian Specim

Bryant Art AuctionPlacentia, CA

Ideal Loose Diamond - ROUND 1.57ct D VS1: Ideal Loose Diamond - ROUND 1.57ct D VS1 Source: This is a real non-mined Diamond that has been grown in a lab Shape: ROUND Carats: 1.57 Color: D Clarity: VS1 Certification: IGI Video:

2026

Ideal Loose Diamond - ROUND 1.57ct D VS1

BidhausNew York, NY

Ideal Loose Diamond - ROUND 0.48ct D VVS2: Ideal Loose Diamond - ROUND 0.48ct D VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: ROUND Carats: 0.48 Color: D Clarity: VVS2 Certification: IGI Video:

2026

Ideal Loose Diamond - ROUND 0.48ct D VVS2

BidhausNew York, NY

Ideal Loose Diamond - ROUND 1.5ct D VS1: Ideal Loose Diamond - ROUND 1.5ct D VS1 Source: This is a real non-mined Diamond that has been grown in a lab Shape: ROUND Carats: 1.5 Color: D Clarity: VS1 Certification: IGI Video:

2026

Ideal Loose Diamond - ROUND 1.5ct D VS1

BidhausNew York, NY

3.15 Carats Pink Tourmaline - 13X9X6 mm: 3.15 Carats Pink Tourmaline - 13X9X6 mmShipping Rate: $15.00 .shipping rates are determined by Parcel weight and destination.Combined shipping: We offer combine shipping on multiple items purchased to

2026

3.15 Carats Pink Tourmaline - 13X9X6 mm

Fantasy JewelryMuscat, AE

7.0 Carat ---- Natural Blue Tourmaline ---- Brilliant Oval Cut ----EGL Certified: A highly sought-after, large centerpiece gem. Known for its incredible spectrum of colors and phenomenal brilliance, this gemstone features perfectly faceted tables and pavilions that maximize sparkle

2026

7.0 Carat ---- Natural Blue Tourmaline ---- Brilliant Oval Cut ----EGL Certified

California GemstonesOceanside, CA

Loose Diamond - OVAL 7.06ct Fancy Intense Yellow VS1: Loose Diamond - OVAL 7.06ct Fancy Intense Yellow VS1 Source: This is a real non-mined Diamond that has been grown in a lab Shape: OVAL Carats: 7.06 Color: Fancy Intense Yellow Certification: IGI Video

2026

Loose Diamond - OVAL 7.06ct Fancy Intense Yellow VS1

Diamond DepotNew York, NY

Loose Diamond - RADIANT 2.51ct Fancy Vivid Blue VS2: Loose Diamond - RADIANT 2.51ct Fancy Vivid Blue VS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: RADIANT Carats: 2.51 Color: Fancy Vivid Blue Certification: IGI Video:

2026

Loose Diamond - RADIANT 2.51ct Fancy Vivid Blue VS2

Diamond DepotNew York, NY

Loose Diamond - ROUND 1.5ct Fancy Vivid Blue VVS2: Loose Diamond - ROUND 1.5ct Fancy Vivid Blue VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: ROUND Carats: 1.5 Color: Fancy Vivid Blue Certification: IGI Video:

2026

Loose Diamond - ROUND 1.5ct Fancy Vivid Blue VVS2

Diamond DepotNew York, NY

Loose Diamond - CUSHION MODIFIED 1.04ct Fancy Vivid Green VVS2: Loose Diamond - CUSHION MODIFIED 1.04ct Fancy Vivid Green VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: CUSHION MODIFIED Carats: 1.04 Color: Fancy Vivid Green Certi

2026

Loose Diamond - CUSHION MODIFIED 1.04ct Fancy Vivid Green VVS2

Diamond DepotNew York, NY

10 Pieces - Round Cut Tanzanite Gemstones - Light Purple: These stones measure 2.5 - 3.25mm. Nicely cut and color. Lot of 12 stones.

2026

10 Pieces - Round Cut Tanzanite Gemstones - Light Purple

Castle Manor CorporationMurfreesboro, TN

12 Square Cut Peridot Gemstones - 4 x 4 - Genuine Peridot: Nicely cut and nice color - a lot of square cut Peridot Gemstones.

2026

12 Square Cut Peridot Gemstones - 4 x 4 - Genuine Peridot

Castle Manor CorporationMurfreesboro, TN

12 Pieces of Trillion Cut Tanzanite Gemstones - 2.5 - 3mm.: Nicely Cut Trillion (triangle) Tanzanite Gemstones. Nice color - light to medium purple.

2026

12 Pieces of Trillion Cut Tanzanite Gemstones - 2.5 - 3mm.

Castle Manor CorporationMurfreesboro, TN

18.3 ct. Noble Trillion Purple Amethyst Gemstone: Looking for that Pendant Center stone? This is really nice! The trillion cut makes it unique and it has a deep purple color with bits of deep pink showing.

2026

18.3 ct. Noble Trillion Purple Amethyst Gemstone

Castle Manor CorporationMurfreesboro, TN

Square Cut Peridot Gemstones - 13 4 x 4 pieces: Nicely cut and nice color in this lot of 13 Peridot square cut gemstones.

2026

Square Cut Peridot Gemstones - 13 4 x 4 pieces

Castle Manor CorporationMurfreesboro, TN

13.12 Carats Natural Ammonite Fossil Pair Loose Stone, 57WJ: This matched pair of genuine natural ammonite fossil stones features warm earthy amber-brown mineralization formed through millions of years of fossilization processes. Distinct preserved shell chambe

2026

13.12 Carats Natural Ammonite Fossil Pair Loose Stone, 57WJ

Lazo HeritageBangkok, TH

3.39ct Natural Siamese 6-Ray Black Star Sapphire Loose Gemstone, 14XY: This polished star sapphire originates from classic Siamese mining deposits, featuring a deep dark crystalline base with fine native mineral traces trapped within its structure, sized at calibrated 9.

2026

3.39ct Natural Siamese 6-Ray Black Star Sapphire Loose Gemstone, 14XY

Lazo HeritageBangkok, TH

46ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 28YQ: This natural corundum rough is an unheated purplish blue sapphire sourced from Sri Lankan alluvial gem deposits, featuring an irregular natural native form with residual pale yellow-brown mineral matr

2026

46ct Natural Unheated Sri Lankan Purplish Blue Sapphire Rough, 28YQ

Lazo HeritageBangkok, TH

2.21 Carats Natural Green Rutilated Peridot Oval Faceted Loose Gemstone, 74WS: This classic oval faceted peridot features a soft translucent pale olive green crystal filled with striking clusters of dark brown and black rutile needle silk that crisscross throughout the stone, wi

2026

2.21 Carats Natural Green Rutilated Peridot Oval Faceted Loose Gemstone, 74WS

Lazo HeritageBangkok, TH

2.61 Carats Natural Deep Teal Blue Kyanite Oval Faceted Loose Gemstone, 20WS: This well-proportioned oval faceted kyanite boasts rich saturated teal-cornflower blue hue radiating through crisp polished step facets, with characteristic fine natural mineral inclusions and tiny da

2026

2.61 Carats Natural Deep Teal Blue Kyanite Oval Faceted Loose Gemstone, 20WS

Lazo HeritageBangkok, TH

10.32ct Natural Mauritania Ruby Rough (Unheated), 73XE: This unheated Mauritania ruby rough is a captivating natural crystal specimen, featuring vivid magenta-purple ruby formations embedded in a contrasting greyish matrix. The stone's rugged, unpolished s

2026

10.32ct Natural Mauritania Ruby Rough (Unheated), 73XE

Lazo HeritageBangkok, TH

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Fossils Auctions

Michoacan Pottery Figure - Seated Dignitary in Headdress

Prehistoric Complete Oreodont Femur Bone Fossil

18th c. Italian Engraving after Reni - Apollo & Aurora

Summer Marketplace | Ancient & Ethnographic

Artemis Fine Arts

Starts on:

Louisville, CO, US

6 days Left

HAND KNAPPED ARROWHEADS ROCK STONE LAPIDARY SPECIMEN

MIXED LOT ROCK STONE LAPIDARY SPECIMEN

GARNET AND PERIDOT ROCK STONE LAPIDARY SPECIMEN

TURQUOISE TREASURES Mineral Showcase B

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

2 days Left

4 11/16" Thebes, Dickey COA, Calhoun Co., Illinois, Found Near the Illinois River

18" x 8 1/2" Large Mammoth Jaw and Tooth Fossil, Recovered from Alaskan Permafrost

10 3/4" Pre-Columbian Moche Culture Stirrup Vessel, Northern Coastal Peru

Pre-Columbian, Native American Artifacts

Heartland Artifact Auctions

Starts on:

Quincy, IL, US

2 days Left

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