Modern Fossils

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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

10.78 Carat Mozambique Ruby Emerald Cut EGL Certified: An exceptional gemstone, exhibiting a vivid red color, high transparency, and superior, tailored brilliance. Mozambique rubies are prized for their intense red hues and, in such a size, would typicall

2026

10.78 Carat Mozambique Ruby Emerald Cut EGL Certified

California GemstonesSan Diego, CA

13.00 Carat Pink Sapphire Trillion Cut EGL Certified: "fiery" cut that provides excellent brilliance. These stones are typically associated with Ceylon origin.

2026

13.00 Carat Pink Sapphire Trillion Cut EGL Certified

California GemstonesSan Diego, CA

26 Carat Bi Color Ametrine Emerald Step Cut: a rare, naturally occurring bicolor quartz that blends purple amethyst and yellow/orange citrine in a single crystal, primarily sourced from the Anahi mine in Bolivia. It is valued for its unique,, vi

2026

26 Carat Bi Color Ametrine Emerald Step Cut

California GemstonesSan Diego, CA

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

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

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

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

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

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

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

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

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

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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

Arietites bucklandi.Cenoceras sp.

A SPRING COUNTRYSIDE SCENE

A BLACK 'DIPLOMAT' ARMCHAIR

2026 Ethereal Auctioneers Spring Auction-1

Ethereal Auctioneers

Starts on:

Taipei City, ???, TW

2 days Left

ENCHODUS FOSSIL ROCK STONE LAPIDARY SPECIMEN

MIXED JEWELRY LOT ROCK STONE LAPIDARY SPECIMEN

AGATE SLICES ROCK STONE LAPIDARY SPECIMEN

ROUGH ROCKS & RARITIES Bulk Lots Jewelry

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

2 days Left

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