Fossils

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9.80 Carat --- Brazilian Grandidierite --- Cushion Cut: A sought-after collector’s gemstone. Grandidierite is consistently ranked as one of the most expensive minerals. While traditionally discovered in Madagascar, high-quality cuts are occasionally sour

2026

9.80 Carat --- Brazilian Grandidierite --- Cushion Cut

California GemstonesSan Diego, CA

12.00 Carat ---- Ceylon Java Plum Sapphire ---- Round Cut: A high-carat-weight, natural, and rare gemstone, typically characterized by a deep, rich purple or violet-purple hue originating from Sri Lanka (formerly Ceylon). This specific color variety is highly

2026

12.00 Carat ---- Ceylon Java Plum Sapphire ---- Round Cut

California GemstonesSan Diego, CA

6 Carat ---- Purple Alexandrite ---- Cushion Cut: Most gem-quality natural alexandrites weigh under 1 carat. A 6-carat stone is an elite, museum-grade rarity. It features a dominant purple hue. True alexandrite is famous for its dramatic color-change

2026

6 Carat ---- Purple Alexandrite ---- Cushion Cut

California GemstonesSan Diego, CA

11.65 Carat ----Purple Alexandrite ---- Octagon Fancy Cut: A substantial and uniquely shaped gemstone. Alexandrite is world-renowned for its chameleon-like ability to shift colors under different lighting.

2026

11.65 Carat ----Purple Alexandrite ---- Octagon Fancy Cut

California GemstonesSan Diego, CA

11.85 Carat ---- Ceylon Blue Sapphire ---- Pear Cut: A highly rare and magnificent gemstone. Originating from Sri Lanka, these stones are globally renowned for their brilliant luster, transparent bodies, and vivid cornflower blue hues.

2026

11.85 Carat ---- Ceylon Blue Sapphire ---- Pear Cut

California GemstonesSan Diego, CA

6.10 Carat --- Java Plum Sapphire --- Oval Cut: Java Plum Sapphire in an oval cut is a striking, substantial gemstone. It features a rich, deep purple-to-violet color reminiscent of the tropical Java plum (or Jamun) fruit. Weighing in at 6.10 carat

2026

6.10 Carat --- Java Plum Sapphire --- Oval Cut

California GemstonesSan Diego, CA

4.22 Carat ---- Purple Amethyst ---- Oval Mixed Cut: In dark blue, this heavy gem boasts a dramatic, mysterious allure, though careful setting is required to protect its sharp, vulnerable corners.

2026

4.22 Carat ---- Purple Amethyst ---- Oval Mixed Cut

California GemstonesSan Diego, CA

12.85 Carat ---- Purple Alexandrite ---- Oval Cut: This alexandrite has stunning color change with intense colors, and very clean clarity. It's an oval mixed cut, which is common for alexandrite.

2026

12.85 Carat ---- Purple Alexandrite ---- Oval Cut

California GemstonesSan Diego, CA

Ammonite Fossil Iridescent Shell: 3.5x2.25x1.75

2026

Ammonite Fossil Iridescent Shell

Full House AuctionsHazlet , NJ

Ammonite Fossil Iridescent Shell: 4x2.75x2.5

2026

Ammonite Fossil Iridescent Shell

Full House AuctionsHazlet , NJ

29.82Ct Lemon Carving Quartz - Polished Carving, 1229B: Ksmith Heritage Auctioneers Subject: Natural Lemon Quartz Origin: Brazil Carat Weight: 29.82Ct Dimension: 22.7x18.4x11.8 mm Treatment: Untreated Type: Carving, Polished

2026

29.82Ct Lemon Carving Quartz - Polished Carving, 1229B

ThousandPlanetBangkok, TH

*2.44Ct Natural Watermelon Tourmaline - Bi-Colour Faceted Cut, 176C: Ksmith Heritage Auctioneers Subject: Natural Tourmaline Origin: Africa Carat Weight: 2.44 Ct Dimension: 9.1x7.9x3.9 mm Type: Faceted, Polished

2026

*2.44Ct Natural Watermelon Tourmaline - Bi-Colour Faceted Cut, 176C

ThousandPlanetBangkok, TH

*14.11Ct Natural Larimar - Polished Cabochon , 236C: Ksmith Heritage Auctioneers Subject: Natural Larimar Carat Weight: 14.11 Ct Dimension: 21.4x13.1x6.6 mm Type: Cabochon, Polished

2026

*14.11Ct Natural Larimar - Polished Cabochon , 236C

ThousandPlanetBangkok, TH

9.14Ct Purple Amethyst - Polished Faceted , 1014E: Ksmith Heritage Auctioneers Subject: Natural Amethyst Origin: Brazil Carat Weight: 9.14Ct Dimension: 13x13x10.5 mm Treatment: Untreated Type: Faceted, Polished

2026

9.14Ct Purple Amethyst - Polished Faceted , 1014E

ThousandPlanetBangkok, TH

13.91Ct Lavender Amethyst - Polished Faceted , 691E: Ksmith Heritage Auctioneers Subject: Natural Lavender Amethyst Origin: Brazil Carat Weight: 13.91Ct Dimension: 16x14.1x9.5 mm Treatment: Untreated Type: Faceted, Polished<

2026

13.91Ct Lavender Amethyst - Polished Faceted , 691E

ThousandPlanetBangkok, TH

12.19Ct Pietersite Cabochon Pair - Gemstone Crystal - Oval Cabochon, 364B: Ksmith Heritage Auctioneers Subject: Natural Pietersite Origin: Namibia, South Africa Carat Weight: 12.19Ct Dimension: 14.1 x 10.1 x 5.3 mm Treatment: Natural Untreated Shape:

2026

12.19Ct Pietersite Cabochon Pair - Gemstone Crystal - Oval Cabochon, 364B

ThousandPlanetBangkok, TH

7.53cts Natural Rare Purple Sugilite Cabochon - No treated , 972E: Ksmith Heritage Auctioneers Subject: Natural Sugilite Origin: South Africa Carat Weight: 7.53Ct Dimension: 20.3x12.2x3.4 mm Treatment: No Treatment Type: Cabochon, Polishe

2026

7.53cts Natural Rare Purple Sugilite Cabochon - No treated , 972E

ThousandPlanetBangkok, TH

*24.26Ct Matrix Andamooka Opal Set - Australian Opal, 385B: Ksmith Heritage Auctioneers Subject: Natural Andamooka Opal Origin: Australia Carat Weight: 24.26Ct Dimension: 24.5x12.3x3.3 mm Treatment: Sugar Treated Type: Cabochon, Polishe

2026

*24.26Ct Matrix Andamooka Opal Set - Australian Opal, 385B

ThousandPlanetBangkok, TH

Australian Lightning Ridge Crystal Black Opal Rough Chip Jar (Good For Display), 1028B: Ksmith Heritage Auctioneers Subject: Natural Australian Opal Origin: Australia Quantity: 1 Jar as photo

2026

Australian Lightning Ridge Crystal Black Opal Rough Chip Jar (Good For Display), 1028B

ThousandPlanetBangkok, TH

*20.94Ct Matrix Andamooka Opal Set - Australian Opal, 527B: Ksmith Heritage Auctioneers Subject: Natural Andamooka Opal Origin: Australia Carat Weight: 20.94Ct Dimension: 27.4x15.4x3.4 mm Treatment: Sugar Treated Type: Cabochon, Polishe

2026

*20.94Ct Matrix Andamooka Opal Set - Australian Opal, 527B

ThousandPlanetBangkok, TH

*3.38Ct Natural Watermelon Tourmaline - Bi-Colour Faceted Cut, 151C: Ksmith Heritage Auctioneers Subject: Natural Tourmaline Origin: Africa Carat Weight: 3.38 Ct Dimension: 16.1x5.1x4.1 mm Type: Faceted, Polished

2026

*3.38Ct Natural Watermelon Tourmaline - Bi-Colour Faceted Cut, 151C

ThousandPlanetBangkok, TH

90.02Ct Pietersite Slab - Gemstone Crystal - Freeform Slice, 1024B: Ksmith Heritage Auctioneers Subject: Natural Pietersite Origin: Namibia, South Africa Carat Weight: 90.02Ct Dimension: 55.1 x 35.1 x 5.1 mm Treatment: Natural Untreated Shape:

2026

90.02Ct Pietersite Slab - Gemstone Crystal - Freeform Slice, 1024B

ThousandPlanetBangkok, TH

4.43cts Natural Watermelon Tourmaline - Bi-Colour Faceted Cut , 1210E: Ksmith Heritage Auctioneers Subject: Natural Tourmaline Origin: Africa Carat Weight: 4.43cts Dimension: 12.8x8.9x4.3 mm Type: Faceted, Polished

2026

4.43cts Natural Watermelon Tourmaline - Bi-Colour Faceted Cut , 1210E

ThousandPlanetBangkok, TH

3.73cts Natural Watermelon Tourmaline - Bi-Colour Faceted Cut, 371B: Ksmith Heritage Auctioneers Subject: Natural Tourmaline Origin: Africa Carat Weight: 3.73cts Dimension: 11.9x6.6x4.6 mm Type: Faceted, Polished

2026

3.73cts Natural Watermelon Tourmaline - Bi-Colour Faceted Cut, 371B

ThousandPlanetBangkok, TH

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24

Fossils Auctions

Beautiful Malachite Dish, 454 grams

Quartz Carved Cockatoos on Pyrite Cluster, 104 grams

Fine Ancient Meteorite Specimen

Summer Jewelry, Fossils and Minerals Auction

Inspired Auctions

Starts on:

Brea, CA, US

AMETHYST ROCK STONE LAPIDARY SPECIMEN

MIXED STONE TREE ROCK STONE LAPIDARY SPECIMEN

COIN AND PLANK NECKLACE

Live3

ROUGH ROCKS & RARITIES Bulk Lots Jewelry

Col. Christie Hatman Auctioneers

Started:

Thayer, MO, US

Exhibited Maya Palenque Rubbing - Temple of the Cross

Caddo Blackware Bipod Bottle with Engraved Arched Form

Peter Max Pop Art Poster - "Love" (1969)

Pre-Columbian | Antiquities | Fine Arts

Artemis Fine Arts

Starts on:

Louisville, CO, US

4 days Left

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