Coral Fossils

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6.5 Carat Vietnamese Cinnamon Hessonite Garnet Oval Cut: A 6.5-carat Vietnamese Cinnamon Garnet with an oval cut generally falls within an affordable price range compared to rarer garnets like Tsavorite, typically valued for its unique color rather than hig

2026

6.5 Carat Vietnamese Cinnamon Hessonite Garnet Oval Cut

California GemstonesSan Diego, CA

6.00 Carat Australian Musgravite Cushion Cut EGL Certified: high-value collector's item prized for its extreme scarcity and subtle beauty. Originally discovered in the Musgrave Ranges of South Australia, musgravite is one of the rarest gemstones in the world,

2026

6.00 Carat Australian Musgravite Cushion Cut EGL Certified

California GemstonesSan Diego, CA

BRACHIPODE: BRACHIPODE

2026

Col. Christie Hatman AuctioneersThayer, MO

14.60 Carat Cambodian Blue Zircon Oval Cut GIE Certified: high-clarity, oval-cut gemstone, likely heat-treated to achieve a vibrant blue or intense teal-blue color. Originating from the Ratanakiri region, these stones feature high brilliance (dispersion) sim

2026

14.60 Carat Cambodian Blue Zircon Oval Cut GIE Certified

California GemstonesSan Diego, CA

Vietnamese Burmite Amber Fly Oval Cut: A 100-million-year-old assassin fly species, Burmapogon bruckschi, was discovered preserved in Burmese amber. These fossils, found near the Myanmar-Vietnam region, show exceptional 3D detail of the pr

2026

Vietnamese Burmite Amber Fly Oval Cut

California GemstonesSan Diego, CA

Loose Diamond - HEART 5.58ct F VVS2: Loose Diamond - HEART 5.58ct F VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: HEART Carats: 5.58 Color: F Clarity: VVS2 Certification: IGI Video:

2026

Loose Diamond - HEART 5.58ct F VVS2

Diamond DepotNew York, NY

Loose Diamond - CUSHION BRILLIANT 2.52ct Blue VVS1: Loose Diamond - CUSHION BRILLIANT 2.52ct Blue VVS1 Source: This is a real non-mined Diamond that has been grown in a lab Shape: CUSHION BRILLIANT Carats: 2.52 Color: Blue Certification: NONE Video:

2026

Loose Diamond - CUSHION BRILLIANT 2.52ct Blue VVS1

Diamond DepotNew York, NY

Giant Clam Shell Specimen: Giant Clam Shell Specimen. Approximately 19.75W x 9.25H x 13.5D in . Please note that winning bidders are not required to select the LiveShipping option. Additional shippers are availabe in our shippi

2026

Giant Clam Shell Specimen

Clark's Auction CompanyScotts Valley, CA

1.41Ct Natural Pakistan Clean Green Peridot Gemstone For Jewelry Making, 1198B: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

2026

1.41Ct Natural Pakistan Clean Green Peridot Gemstone For Jewelry Making, 1198B

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

0.09Ct 1.1mm D-F Brilliant Round VS Loose Diamond 15pcs - Australian Diamond - Round Shape Lot, 874A: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

2026

0.09Ct 1.1mm D-F Brilliant Round VS Loose Diamond 15pcs - Australian Diamond - Round Shape Lot, 874A

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

0.075Ct 1.2mm D-F Brilliant Round VS Loose Diamond 10pcs - Australian Diamond, 569A: Ksmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturi

2026

0.075Ct 1.2mm D-F Brilliant Round VS Loose Diamond 10pcs - Australian Diamond, 569A

Ksmith Heritage AuctioneersJelutong, Penang, PENANG

3.66 Carats Cream-Blue Boulder Opal - Natural Australian Stone, 48XM: This elegant boulder opal captivates with a soft, creamy base that transitions into cool, translucent blue layers, with subtle flashes of iridescent green and violet shimmering beneath its smooth, tri

2026

3.66 Carats Cream-Blue Boulder Opal - Natural Australian Stone, 48XM

ThousandPlanetSathorn, Bangkok

27.98 Carats Lavender Amethyst Pear - Natural Loose Gemstone, LZ59: This magnificent 27.98 carat lavender amethyst is precision-cut into a classic pear shape, measuring 23.3mm x 18.7mm x 12.9mm. It exhibits a soft, ethereal lavender hue, reminiscent of twilight skies,

2026

27.98 Carats Lavender Amethyst Pear - Natural Loose Gemstone, LZ59

ThousandPlanetSathorn, Bangkok

7.51 Carats Multicolor Tourmaline Round Parcel - Natural Loose Stones, 37XB: This elegant parcel of tourmalines presents a delightful mix of soft, natural hues, including pale mint green, lime yellow, and a striking saturated pink. The total carat weight of the lot is 7.51 car

2026

7.51 Carats Multicolor Tourmaline Round Parcel - Natural Loose Stones, 37XB

ThousandPlanetSathorn, Bangkok

0.77 Carats Honey Amber Cabochon with Insect Inclusion - Natural Baltic Stone, LZ82: This extraordinary 0.77 carat amber cabochon, measuring 8.8mm x 7.0mm x 4.0mm, is a breathtaking piece of prehistoric natural history. Polished into a smooth oval cabochon, the warm, golden honey-colo

2026

0.77 Carats Honey Amber Cabochon with Insect Inclusion - Natural Baltic Stone, LZ82

ThousandPlanetSathorn, Bangkok

21.02 Carats Lavender Amethyst Oval - Natural Loose Gemstone, LZ62: This breathtaking 21.02 carat lavender amethyst is precision-cut into a classic oval shape, measuring 22.9mm x 16.8mm x 8.5mm. It glows with a soft, ethereal lavender hue, reminiscent of a misty twili

2026

21.02 Carats Lavender Amethyst Oval - Natural Loose Gemstone, LZ62

ThousandPlanetSathorn, Bangkok

5.43 Carats Mixed Cut Aquamarine Selection - Natural Brazilian Stones, 92XN: This curated selection of ten faceted aquamarine gemstones, weighing a total of 5.43 carats with individual dimensions ranging from 5.2 to 10.4 mm, showcases the iconic cool blue clarity of the gem al

2026

5.43 Carats Mixed Cut Aquamarine Selection - Natural Brazilian Stones, 92XN

ThousandPlanetSathorn, Bangkok

34.13 Carats Lavender Amethyst Oval - Natural Loose Gemstone, LZ63: This magnificent 34.13 carat lavender amethyst is precision-cut into a classic oval shape, measuring 24.8mm x 19.2mm x 11.7mm. It glows with a soft, ethereal lavender hue, reminiscent of a misty twili

2026

34.13 Carats Lavender Amethyst Oval - Natural Loose Gemstone, LZ63

ThousandPlanetSathorn, Bangkok

1.082 Carats Certified Blue Violetish Spinel - Natural Gemstone, LZ270: This exceptional oval mixed-cut spinel enchants with a rare, velvety blue base infused with delicate violetish undertones, a coveted color combination in natural spinel. The mixed faceting is precisio

2026

1.082 Carats Certified Blue Violetish Spinel - Natural Gemstone, LZ270

ThousandPlanetSathorn, Bangkok

1.18 Carats Natural Tanzanite - Oval Faceted Loose Gemstone, 91WE: Natural oval-faceted tanzanite gemstone, sourced from the exclusive Merelani Hills of Tanzania. This exceptional specimen showcases a striking, vivid blue-violet color with iconic pleochroism, shiftin

2026

1.18 Carats Natural Tanzanite - Oval Faceted Loose Gemstone, 91WE

ThousandPlanetSathorn, Bangkok

3.08 Carats Boulder Opal Cabochon - Natural Matrix & Play-of-Color Specimen, 54XM: This 3.08ct boulder opal cabochon, measuring 10x9mm, is a striking example of Australia's iconic gemstone, showcasing the unique beauty of nature's artistry. The triangular cabochon is polished to a s

2026

3.08 Carats Boulder Opal Cabochon - Natural Matrix & Play-of-Color Specimen, 54XM

ThousandPlanetSathorn, Bangkok

3.41 Carats Cornflower Blue Sapphire Parcel - Natural Loose Stones, 75WE: This refined parcel of sapphires features a stunning spectrum of cornflower and royal blue hues, ranging from soft, airy tones to rich, saturated depths. The total carat weight of the lot is 3.41 cara

2026

3.41 Carats Cornflower Blue Sapphire Parcel - Natural Loose Stones, 75WE

ThousandPlanetSathorn, Bangkok

9.82 Carats Lavender Amethyst Oval - Natural Loose Gemstone, LZ60: This beautiful 9.82 carat lavender amethyst is precision-cut into a classic oval shape, measuring 17.3mm x 13.5mm x 7.1mm. It displays a soft, ethereal lavender hue, reminiscent of a misty spring morn

2026

9.82 Carats Lavender Amethyst Oval - Natural Loose Gemstone, LZ60

ThousandPlanetSathorn, Bangkok

Two Opalized Fossil Sculptures: Two opalized fossil sculptures with stands. Approx. 4.2*3.2*0.9 inch (larger w/o stand).

2026

Two Opalized Fossil Sculptures

Wealthier Art & AuctionLa Puente, CA

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Fossils Auctions

Saber-Toothed Tiger Fossil Skull, Late Miocene — Complete Dentition

Mimbres Black-on-White Pottery Bowl - Standing Woman, Kill Hole

Persian Siljuk Bronze Lamp Stand, Khorasan Region

Fine Fossils, Native American, Asian, Ethno

Artemis Fine Arts

Starts on:

Louisville, CO, US

4 days Left

Michoacan Pottery Figure - Seated Dignitary in Headdress

Prehistoric Complete Oreodont Femur Bone Fossil

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

VARIETY SALE Pre-Columbian, Ethnographic Art

Artemis Fine Arts

Starts on:

Louisville, CO, US

5 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

7 days Left

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