Hamilton Fossils

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Loose Diamond - Round 2.42ct E VS1: Loose Diamond - Round 2.42ct E VS1 Source: This is a real non-mined Diamond that has been grown in a lab Shape: Round Carats: 2.42 Color: E Clarity: VS1 Certification: IGI Condition: Pre-Owned Additio

2026

Loose Diamond - Round 2.42ct E VS1

Mynt AuctionsNew York, NY

Loose Diamond - OVAL 2.02ct Fancy Vivid Blue VS1: Loose Diamond - OVAL 2.02ct Fancy Vivid Blue VS1 Source: This is a real non-mined Diamond that has been grown in a lab Shape: OVAL Carats: 2.02 Color: Fancy Vivid Blue Certification: NONE Video:

2026

Loose Diamond - OVAL 2.02ct Fancy Vivid Blue VS1

Mynt AuctionsNew York, NY

MIXED FOSSIL LOT ROCK STONE LAPIDARY SPECIMEN: MIXED FOSSIL LOT ROCK STONE LAPIDARY SPECIMEN - Authentic estate find offered in our online auction. Perfect for collectors, resellers, and enthusiasts of vintage, antiques, minerals, rocks, crystals,

2026

MIXED FOSSIL LOT ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

8.00 Carat ----Tanzanite ---- Trillion Cut: A magnificent gemstone. Known for its triangular shape and exceptional brilliance, it displays tanzanite’s famous pleochroism—shifting between intense violetish blues and rich purples depending on

2026

8.00 Carat ----Tanzanite ---- Trillion Cut

California GemstonesOceanside, CA

MIXED LOT ROCK STONE LAPIDARY SPECIMEN: MIXED LOT ROCK STONE LAPIDARY SPECIMEN - Authentic estate find offered in our online auction. Perfect for collectors, resellers, and enthusiasts of vintage, antiques, minerals, rocks, crystals, jewelr

2026

MIXED LOT ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

12.00 Carat --- Brazilian Emerald --- Brilliant Trillion Cut---- EGL Certified: A highly striking gemstone. The triangular shape maximizes both perceived size and light performance, while Brazilian rough typically yields highly vivid, richly saturated greens with excellent natura

2026

12.00 Carat --- Brazilian Emerald --- Brilliant Trillion Cut---- EGL Certified

California GemstonesOceanside, CA

13.00 Carat tcw---Ceylon Pink Sapphire Lot of 4--- Brilliant Round Cut---- GIR Certified: Ceylon sapphires are highly prized in the market for their superior luster and historically significant mining pedigree.

2026

13.00 Carat tcw---Ceylon Pink Sapphire Lot of 4--- Brilliant Round Cut---- GIR Certified

California GemstonesOceanside, CA

MOZARKITE ROCK STONE LAPIDARY SPECIMEN: MOZARKITE ROCK STONE LAPIDARY SPECIMEN - Authentic estate find offered in our online auction. Perfect for collectors, resellers, and enthusiasts of vintage, antiques, minerals, rocks, crystals, jewelr

2026

MOZARKITE ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

29.75 Ct Natural Poppy Jasper Quartz Marquise Cab: weight - 29.75 Ct / Dimensions - 42.00 x 18.60 x 5.70 mm / Shape & Cut - Excellent Marquise Cab / Origin - Brazil / Comments - None

2026

29.75 Ct Natural Poppy Jasper Quartz Marquise Cab

Gems AuctionBangkok, TH

22.27 Ct Natural Dalmation Jasper Quartz Pear Cab Pair: weight - 22.27 Ct / Size - 31.00 x 12.90 x 4.00 mm / 2 Pc's / Shape - Excellent Pear Cab / Origin - Brazil / Treatment - None

2026

22.27 Ct Natural Dalmation Jasper Quartz Pear Cab Pair

Gems AuctionBangkok, TH

17.87 Ct Natural Chrysoprase Oval Cab: Weight - 17.87 Ct / Size - 19.10 x 14.30 x 9.60 mm / Shape -Oval Cab / Color - Green / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

17.87 Ct Natural Chrysoprase Oval Cab

Gems AuctionBangkok, TH

31.77 Ct Natural Bumblebee Jasper Quartz Oval Cab Pair: weight - 31.77 Ct / Dimensions - 27.00 x 13.50 x 4.60 mm / 2 PC's / Shape & Cut - Excellent Oval Cab / Origin - Brazil / Comments - None

2026

31.77 Ct Natural Bumblebee Jasper Quartz Oval Cab Pair

Gems AuctionBangkok, TH

40.13 Ct Natural Poppy Jasper Quartz Round Cab: weight - 40.13 Ct / Size - 32.00 x 32.00 x 5.00 mm / Shape - Excellent Round Cab / Origin - Brazil / Treatment - None

2026

40.13 Ct Natural Poppy Jasper Quartz Round Cab

Gems AuctionBangkok, TH

29.74 Ct Natural Orange Carnelian Drilled Dumble Cab: Weight - 29.74 Ct / Dimensions - 22.00 x 12.60 x 12.30 mm / Shape - Drilled Dumble Cab / Clarity - Semi - Opaque / Origin - Brazil

2026

29.74 Ct Natural Orange Carnelian Drilled Dumble Cab

Gems AuctionBangkok, TH

3.47 Ct Natural Green Grandidierite Octagon Cut: Weight - 3.47 Ct / Size - 11.10 x 7.30 x 5.90 mm / Shape - Octagon Cut / Clarity - SI / Origin - Madagascar / Treatment - None

2026

3.47 Ct Natural Green Grandidierite Octagon Cut

Gems AuctionBangkok, TH

3.45 Ct Natural Blue Sapphire Octagon Cut Pair: Weight - 3.45 Ct / Size- 8.00 x 5.00 x 4.00 mm / 2 Pc's / Shape - Octagon Cut / Clarity - Opaque / Origin - Sri Lanka / Treatment - Diffused

2026

3.45 Ct Natural Blue Sapphire Octagon Cut Pair

Gems AuctionBangkok, TH

24.33 Ct Natural Lizardite Oval Cab: weight - 24.33 Ct / Size - 29.00 x 18.40 x 4.80 mm / Shape - Oval Cab / Origin - Brazil / Treatment - None

2026

24.33 Ct Natural Lizardite Oval Cab

Gems AuctionBangkok, TH

28.66 Ct Natural Green Malachite Pear Cab: Weight - 28.66 Ct / Size - 29.00 x 18.30 x 5.20 mm / Shape - Pear Cab / Color - Green / Clarity - Opaque / Origin - Russia / Treatment - None

2026

28.66 Ct Natural Green Malachite Pear Cab

Gems AuctionBangkok, TH

15.43 Ct Natural Purple Charoite Pear Cab: Weight - 15.43 Ct / Dimensions - 22.40 x 13.90 x 5.70 mm / Shape - Pear Cab / Color - Purple / Clarity - Opaque / Origin - Russian Federation / Treatment - None

2026

15.43 Ct Natural Purple Charoite Pear Cab

Gems AuctionBangkok, TH

103.63 Ct Natural Buffalo Jasper Quartz JUMBO Cushion Cab: Weight - 103.63 Ct / Dimensions - 37.00 x 28.00 x 10.50 mm / Good Color / Cushion Cabochon - Ready for Jewellery Setting / Origin - Brazil / Treatment - None

2026

103.63 Ct Natural Buffalo Jasper Quartz JUMBO Cushion Cab

Gems AuctionBangkok, TH

35.25ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 77AY: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

35.25ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 77AY

Lazo HeritageThung Wat Don, Sathorn, Bangkok

54ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 4FC: This unpolished mineral rough is natural ruby zoisite sourced from Tanzania, exhibiting distinct banded mineral segregation of vibrant green zoisite, magenta ruby crystals, and dark hornblende inclusi

2026

54ct Natural Tanzanian Ruby Zoisite Raw Rough Specimen Mineral Stone, 4FC

Lazo HeritageThung Wat Don, Sathorn, Bangkok

113ct Natural Siberian Seraphinite Polished Rough Slab, 85FB: This polished mineral slab is natural seraphinite originating from Siberian deposits, displaying characteristic radiating crystalline fibrous formations with layered deep forest and silvery green band

2026

113ct Natural Siberian Seraphinite Polished Rough Slab, 85FB

Lazo HeritageThung Wat Don, Sathorn, Bangkok

130ct Natural Type A Burmese Jadeite Jade Polished Sliced Rough, 78AZ: 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

130ct Natural Type A Burmese Jadeite Jade Polished Sliced Rough, 78AZ

Lazo HeritageThung Wat Don, Sathorn, Bangkok

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Fossils Auctions

Moroccan Jurassic Starfish Fossil

Pink Halite Cluster

Yellow Dogtooth Calcite Formation

Summer Rock and Fossil Clearance Auction

Fossils & Gemstones of Houston

Starts on:

Houston, TX, US

Sizable Colima Redware Figural Vessel - Shaman w/ Horns

Steppe Bison (Bison priscus) Partial Skull, Horn Cores

Chinese Han Painted Pottery Horse Torso, ex-de Coux

Cultural Discoveries: Ancient / Ethnographic

Artemis Fine Arts

Starts on:

Louisville, CO, US

Superb Iatmul Mask, Papua New Guinea

Fine Borneo Shaman Bin with Lid

Early Japanese Oni Demon Mask

Fine Ethnographic, Asian & Antiques

Inspired Auctions

Starts on:

Brea, CA, US

5 days Left

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