Hamilton Fossils

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18.78 Ct Natural Blue Lapis Lazuli Pear Cab: Weight - 18.78 Ct / Size - 28.00 x 13.70 x 5.80 mm / Shape - Pear Cab / Clarity - Opaque / Origin - Afghanisthan / Treatment - None

2026

18.78 Ct Natural Blue Lapis Lazuli Pear Cab

Gems AuctionBangkok, TH

4.01 Ct Natural Orange Moonstone Oval Cab: weight - 4.01 Ct / Size - 11.30 x 9.10 x 5.70 mm / Shape - Excellent Oval Cab / Origin - India / Treatment - None

2026

4.01 Ct Natural Orange Moonstone Oval Cab

Gems AuctionBangkok, TH

6.33 Ct Natural Pink Amethyst Oval Cut: Weight - 6.33 Ct / Dimensions - 13.90 x 10.30 x 8.10 mm / Shape - Oval Cut / Color - Pink / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

6.33 Ct Natural Pink Amethyst Oval Cut

Gems AuctionBangkok, TH

13.06 Ct Natural Moss Agate Hexagon Cut: weight - 13.06 Ct / Dimensions - 18.30 x 16.10 x 7.40 mm / Shape - Excellent Hexagon Cut / Origin - Brazil / Treatment - None

2026

13.06 Ct Natural Moss Agate Hexagon Cut

Gems AuctionBangkok, TH

12.42 Ct Natural Amazonite Hexagon Cut: Weight - 12.42 Ct / Dimensions - 17.80 x 15.80 x 8.10 mm / Shape - Hexagon Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

12.42 Ct Natural Amazonite Hexagon Cut

Gems AuctionBangkok, TH

11.54 Ct Natural Dendrite Agate Cushion Cab: Weight - 11.54 Ct / Size - 28.00 x 15.50x 2.70 mm / Shape - Excellent Cushion Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

11.54 Ct Natural Dendrite Agate Cushion Cab

Gems AuctionBangkok, TH

14.01 Ct Natural Tiger Eye Pear Cut: Weight - 14.01 Ct / Size - 17.60 x 17.50 x 8.20 mm / Shape - Pear Cut / Color - Golden Brown / Clarity - Opaque / Origin - Burma / Treatment - None

2026

14.01 Ct Natural Tiger Eye Pear Cut

Gems AuctionBangkok, TH

11.67 Ct Natural Blue Opal Pear Cab: weight - 11.67 Ct / Size - 25.20 x 13.10 x 5.60 mm / Shape - Excellent Pear Cab / Origin - Peru / Treatment - None

2026

11.67 Ct Natural Blue Opal Pear Cab

Gems AuctionBangkok, TH

5.61 Ct Natural Pink Amethyst Fancy Cut: Weight - 5.61 Ct / Dimensions - 16.60 x 9.90 x 7.30 mm / Shape - Fancy Cut / Color - Pink / Clarity - VVS / Origin - Brazil / Treatment - Heated

2026

5.61 Ct Natural Pink Amethyst Fancy Cut

Gems AuctionBangkok, TH

11.87 Ct Natural Moss Agate Trillion Cut: weight - 11.87 Ct / Dimensions - 17.20 x 17.10 x 7.50 mm / Shape - Excellent Trillion Cut / Origin - Brazil / Treatment - None

2026

11.87 Ct Natural Moss Agate Trillion Cut

Gems AuctionBangkok, TH

13.18 Ct Natural Blue Onyx Trillion Cut: Weight - 13.18 Ct / Size - 18.40 x 18.00 x 7.60 mm / Shape - Trillion Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

2026

13.18 Ct Natural Blue Onyx Trillion Cut

Gems AuctionBangkok, TH

9.57 Ct Natural Rutile Quartz Oval Cut: Weight - 9.57 Ct / Dimensions - 14.50 x 12.60 x 8.30 mm / Shape & Cut - Oval Cut / Transparency - Transparent / Origin - Norway / Comments - None

2026

9.57 Ct Natural Rutile Quartz Oval Cut

Gems AuctionBangkok, TH

23.64 Ct Natural Serpentine Round Cab: weight - 23.64 Ct / Size - 27.00 x 27.00 x 4.00 mm / Shape - Round Cab / Origin - Brazil / Treatment - None

2026

23.64 Ct Natural Serpentine Round Cab

Gems AuctionBangkok, TH

2.19 Ct Natural Purple Amethyst Oval Cut: Weight - 2.19 Ct / Dimensions - 10.00 x 7.90 x 4.60 mm / Shape - Oval Cut / Color - Purple / Clarity - VVS / Origin -Brazil / Treatment - Heated

2026

2.19 Ct Natural Purple Amethyst Oval Cut

Gems AuctionBangkok, TH

3.55 Ct Natural Sillimanite Catseye Oval Cab: weight - 3.55 Ct / Dimensions - 8.90 x 8.60 x 5.40 mm / Shape - Excellent Oval Cab / Origin - Sri Lanka / Treatment - None

2026

3.55 Ct Natural Sillimanite Catseye Oval Cab

Gems AuctionBangkok, TH

3.35 Ct Natural Blue Topaz Trillion Cut: Weight - 3.35 Ct / Size - 10.00 x 9.90 x 5.10 mm / Shape - Trillion Cut / Color - Blue / Clarity - VVS / Origin - Brazil / Treatment - Irradiated

2026

3.35 Ct Natural Blue Topaz Trillion Cut

Gems AuctionBangkok, TH

11.37 Ct Natural Rutile Quartz Pear Cab: Weight - 11.37 Ct / Dimensions - 21.50 x 14.20 x 5.30 mm / Shape & Cut - Pear Cab / Transparency - Transparent / Origin - Norway / Comments - None

2026

11.37 Ct Natural Rutile Quartz Pear Cab

Gems AuctionBangkok, TH

17.91 Ct Natural Rutile Quartz Cushion Cab: Weight - 17.91 Ct / Dimensions - 19.30 x 11.50 x 7.40 mm / Shape & Cut - Cushion Cab / Transparency - Transparent / Origin - Norway / Comments - None

2026

17.91 Ct Natural Rutile Quartz Cushion Cab

Gems AuctionBangkok, TH

2.82 Ct Natural Purple Amethyst Hexagon Cut: Weight - 2.82 Ct / Dimensions - 10.50 x 9.20 x 5.30 mm / Shape - Hexagon Cut / Color - Purple / Clarity - VVS / Origin -Brazil / Treatment - Heated

2026

2.82 Ct Natural Purple Amethyst Hexagon Cut

Gems AuctionBangkok, TH

13.45 Ct Natural Green Onyx Round Cut: Weight - 13.45 Ct / Dimensions - 17.40 x 17.40 x 7.90 mm / Shape - Round Cut / Clarity - Semi Transparent / Origin - Brazil / Treatment - None

2026

13.45 Ct Natural Green Onyx Round Cut

Gems AuctionBangkok, TH

4.19 Ct Natural Multicolor Tourmaline Round Cut Beads: Weight - 4.19 Ct / Size - 3.80 - 4.20 mm / 13 PC's / Shape - Round Cut Beads / Color - Multicolor / Clarity - VVS / Origin - Mozambique / Treatment - None

2026

4.19 Ct Natural Multicolor Tourmaline Round Cut Beads

Gems AuctionBangkok, TH

Geode — Dyed Purple Magenta Crystal Geode with Green Glitter Interior 218g: Striking dyed geode half with a bright orange/ochre rough exterior and a vivid interior filled with purple/magenta crystals coated in green metallic glitter. The crystal cavity is approximately 2 inch

2026

Geode — Dyed Purple Magenta Crystal Geode with Green Glitter Interior 218g

Col. Christie Hatman AuctioneersThayer, MO

32.92ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 72AY: 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

32.92ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 72AY

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

745ct Natural Burmese Moss in Snow Jadeite Rough - Semi-Polished Green Slab, 67EA: This is a natural Type A Burmese jadeite rough slab, measuring 9.4x5.5cm and weighing 149g (745ct). It showcases the classic "Moss in Snow" pattern, with vivid, spotty green inclusions naturally scatt

2026

745ct Natural Burmese Moss in Snow Jadeite Rough - Semi-Polished Green Slab, 67EA

Lazo HeritageThung Wat Don, Sathorn, Bangkok, Bangkok

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24

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

Superb Iatmul Mask, Papua New Guinea

Fine Borneo Shaman Bin with Lid

Early Japanese Oni Demon Mask

Fine Ethnographic, Asian & Antiques

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Starts on:

Brea, CA, US

5 days Left

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

6 days Left

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