Fossils

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Loose Diamond - PENTAGONAL 0.21ct Fancy Brown Pink VS2: Loose Diamond - PENTAGONAL 0.21ct Fancy Brown Pink VS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: PENTAGONAL Carats: 0.21 Color: Fancy Brown Pink Certification: IGI V

2026

Loose Diamond - PENTAGONAL 0.21ct Fancy Brown Pink VS2

Diamond DepotNew York, NY

5.97ct Natural Baltic Amber Cabochon with Fossil Insect Inclusions Loose Gemstone, 69BY: This polished cabochon is genuine natural Baltic amber, featuring well-preserved fossilised ancient insect inclusions suspended within its warm golden-yellow resin matrix. Subtle organic plant debris

2026

5.97ct Natural Baltic Amber Cabochon with Fossil Insect Inclusions Loose Gemstone, 69BY

ThousandPlanetSathorn, Bangkok

32ct Natural Brazilian Black Rutile Quartz Cabochon Loose Gemstone, 78BM: This polished cabochon of natural rutile quartz features countless distinct slender black rutile needle inclusions suspended within the clear quartz host crystal. The smooth domed surface enables full

2026

32ct Natural Brazilian Black Rutile Quartz Cabochon Loose Gemstone, 78BM

ThousandPlanetSathorn, Bangkok

0.53ct Untreated Natural Fancy Diamond Loose Gemstone, 3BG: This fully polished untreated natural fancy diamond features inherent internal mineral markings characteristic of natural diamond formation, measured at calibrated dimensions of 5.2x4.6x3mm. Precision

2026

0.53ct Untreated Natural Fancy Diamond Loose Gemstone, 3BG

ThousandPlanetSathorn, Bangkok

108ct Natural Type A Burmese Jadeite Jade Sliced Rough, 21FB: This specimen is a sliced rough block of natural Type A Burmese jadeite jade. The interior displays natural colour zoning with visible mineral veining and crystalline patterns typical of unprocessed j

2026

108ct Natural Type A Burmese Jadeite Jade Sliced Rough, 21FB

ThousandPlanetSathorn, Bangkok

25ct Natural Brazilian Black Rutile Quartz Cabochon Loose Gemstone, 43BM: This polished cabochon of natural rutile quartz features countless distinct slender black rutile needle inclusions suspended within the clear quartz host crystal. The smooth domed surface enables full

2026

25ct Natural Brazilian Black Rutile Quartz Cabochon Loose Gemstone, 43BM

ThousandPlanetSathorn, Bangkok

8.11ct Natural Baltic Polished Loose Freeform Amber Gemstone, 91FL: This smoothly polished freeform amber piece carries warm translucent organic clarity with fine natural fossil flecks and tiny mineral inclusions suspended throughout its 16x13x11mm flowing unstructure

2026

8.11ct Natural Baltic Polished Loose Freeform Amber Gemstone, 91FL

ThousandPlanetSathorn, Bangkok

3.23 Ct Natural "UV" Color Change Scapo-Lazurite Oval Cut: Weight - 3.23 Ct / Dimensions - 12.60 x 9.60 x 5.30 mm / Shape - Oval Cut / Color - Blue / Clarity - SI / Origin - Afghanistan / Treatment - None

2026

3.23 Ct Natural "UV" Color Change Scapo-Lazurite Oval Cut

Gems AuctionBangkok, TH

4.90 Ct Natural Ink Blue Fire Opal Pear Cab: Weight - 4.90 Ct / Size -12.10 x 12.00 x 6.50 mm / Shape - Pear Cab / Color - Blue / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Heated

2026

4.90 Ct Natural Ink Blue Fire Opal Pear Cab

Gems AuctionBangkok, TH

84.96 Ct Natural Tibetian Blue Turquoise Pear Cab: Weight - 84.96 Ct / Size - 52.00 x 34.00 x 6.40 mm / Good Color / Pear Cabochon - Ready for Jewellery Setting / Origin - Tibet / Treatment - None

2026

84.96 Ct Natural Tibetian Blue Turquoise Pear Cab

Gems AuctionBangkok, TH

38.43 Ct Natural Dendrite Opal Oval Cab: weight - 38.43 Ct / Dimensions - 35.00 x 29.00 x 5.20 mm / Shape & Cut - Excellent Oval Cab / Origin - Brazil / Comments - None

2026

38.43 Ct Natural Dendrite Opal Oval Cab

Gems AuctionBangkok, TH

13.51 Cts Natural Purple Amethyst Octagon Cut: Weight - 13.51 Ct / Dimensions - 14.80 x 12.40 x 9.80 mm / Shape - Octagon Cut / Color - Purple / Clarity - VVS / Origin -Brazil / Treatment - Heated

2026

13.51 Cts Natural Purple Amethyst Octagon Cut

Gems AuctionBangkok, TH

41.80 Ct Natural Black Palm Roote Jasper Quartz Oval Cab: weight - 41.80 Ct / Size - 45.00 x 22.20 x 5.20 mm / Shape - Excellent Oval Cab / Origin - Brazil / Treatment - None

2026

41.80 Ct Natural Black Palm Roote Jasper Quartz Oval Cab

Gems AuctionBangkok, TH

5.21 Ct Natural Purple Amethyst Square Cube Cut Pair: Weight - 5.21 Ct / Dimensions - 6.00 x 6.00 mm / 2 Pc's / Shape - Square Cube Cut / Color - Purple / Clarity - VVS / Origin -Brazil / Treatment - Heated

2026

5.21 Ct Natural Purple Amethyst Square Cube Cut Pair

Gems AuctionBangkok, TH

2.08 Ct Natural Choco Smoky Quartz Square Octagon Cut Pair: Weight - 2.08 Ct / Size - 6.10 x 6.10 x 4.00 mm / 2 Pc's / Top Class Quality / Square Octagon Cut / Origin - Norway / Treatment - None

2026

2.08 Ct Natural Choco Smoky Quartz Square Octagon Cut Pair

Gems AuctionBangkok, TH

14.51 Ct Natural Purple Amethyst OCtagon Cut Pair: Weight - 14.51 Ct / Size - 14.10 x 10.20 x 7.10 mm / 2 PC's / Shape - OCtagon Cut / Color - Purple / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

14.51 Ct Natural Purple Amethyst OCtagon Cut Pair

Gems AuctionBangkok, TH

3.50 Ct Natural Pollusite Round Cut: Weight - 3.50 Ct / Dimensions - 9.50 x 9.50 x 7.00 mm / Top Class Quality / Round Cut / Origin - Brazil / Treatment - None

2026

3.50 Ct Natural Pollusite Round Cut

Gems AuctionBangkok, TH

115.20 Ct Natural Green Malachite Oval Cab: Weight - 115.20 Ct / Dimensions - 46.00 x 34.00 x 6.70 mm / Shape - Oval cab / Color - Green / Transparency -Opaque / Origin - Russia / Treatment - None

2026

115.20 Ct Natural Green Malachite Oval Cab

Gems AuctionBangkok, TH

4.00 Ct Natural London Blue Topaz Octagon Cut: Weight - 4.00 Ct / Dimensions - 10.30 x 8.10 x 5.20 mm / Shape - Octagon Cut / Color - Blue / Clarity - VVS / Origin - Brazil / Treatment - Irradiated

2026

4.00 Ct Natural London Blue Topaz Octagon Cut

Gems AuctionBangkok, TH

9.94 Ct Natural Green Chrysoprase Oval Carving Cab: Weight - 9.94 Ct / Size - 23.00 x 14.30 x 4.20 mm / Shape - Oval Carving Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

9.94 Ct Natural Green Chrysoprase Oval Carving Cab

Gems AuctionBangkok, TH

3.32 Ct Natural Cotton Candy Fire Opal Pear Cab: Weight - 3.32 Ct / Dimensions - 11.40 x 11.30 x 6.00 mm / Shape - Pear Cab / Color - Bicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Heated

2026

3.32 Ct Natural Cotton Candy Fire Opal Pear Cab

Gems AuctionBangkok, TH

67.33 Ct Natural Blue Apatite Cushion Cab: Weight - 67.33 Ct / Dimensions - 41.00 x 30.00 x 5.60 mm / Top Class Quality / Cushion Cab / Origin - Brazil / Treatment - None

2026

67.33 Ct Natural Blue Apatite Cushion Cab

Gems AuctionBangkok, TH

10.14 Ct Natural Colorless Quartz Trillion Cut: Weight - 10.14 Ct / Dimensions - 18.00 x 18.00 mm / Shape & Cut - Trillion Cut / Transparency - VVS / Origin - Brazil / Comments - None

2026

10.14 Ct Natural Colorless Quartz Trillion Cut

Gems AuctionBangkok, TH

9.69 Ct Natural Aquamarine Oval Cut: Weight - 9.69 Ct / Dimensions - 14.60 x 11.70 x 9.10 mm / Shape - Oval Cut / Clarity - Transparent / Origin -India / Treatment - None

2026

9.69 Ct Natural Aquamarine Oval Cut

Gems AuctionBangkok, 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

5 days Left

HAND KNAPPED ARROWHEADS ROCK STONE LAPIDARY SPECIMEN

MIXED LOT ROCK STONE LAPIDARY SPECIMEN

GARNET AND PERIDOT ROCK STONE LAPIDARY SPECIMEN

Live1

TURQUOISE TREASURES Mineral Showcase B

Col. Christie Hatman Auctioneers

Started:

Thayer, MO, US

Eimco Mucker Butte Montana Mine Mining Cart

Butte Special Beer Montana Lighted Sign

1888 Granite Montana Miners Union Ribbon

The Richest Hill on Earth - Day 1

Davis Brothers Auction

Starts on:

Missoula, MT, US

5 days Left

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