Modern Fossils

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0.87 Carats Soft Mint Peruvian Paraiba Opal Triangle - Natural Stone, 87XY: This singular triangle-cut Peruvian Paraiba opal, measuring 11.6 x 6.7 x 3.6 mm, displays a serene, soft mint-blue hue reminiscent of shallow tropical waters and misty dawn skies. Its geometric triang

2026

0.87 Carats Soft Mint Peruvian Paraiba Opal Triangle - Natural Stone, 87XY

ThousandPlanetSathorn, Bangkok

16.18 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 54XA: This luminous collection of Welo opals showcases a rich spectrum of translucent body tones, from milky white and soft cream to warm honey and golden amber, each adorned with vivid, shifting color play

2026

16.18 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 54XA

ThousandPlanetSathorn, Bangkok

3630Ct Natural Type A Burmese Jadeite Jade Rough Stone - Green Raw Material, 20ZB: Natural Type A Burmese jadeite rough stone, displaying vibrant mottled green inclusions across a pale base, with natural dark weathered skin visible at the base. The stone retains its uncut, raw form,

2026

3630Ct Natural Type A Burmese Jadeite Jade Rough Stone - Green Raw Material, 20ZB

ThousandPlanetSathorn, Bangkok

67.01 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ98: This impressive Winton boulder opal rough is a stunning showcase of Australian boulder opal's dramatic natural beauty. The polished face reveals a rich tapestry of opal and ironstone, where vivid patc

2026

67.01 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ98

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 65g, 99WS: This collection of raw opal rough hails from Australia's legendary Lightning Ridge, showcasing the region's iconic play-of-color potential. The stones exhibit a range of natural hues, from milky white

2026

Natural Australian Lightning Ridge Opal Rough, 65g, 99WS

ThousandPlanetSathorn, Bangkok

26.18ct Natural Mauritania Ruby Rough (Unheated), 7AM: This unheated Mauritania ruby rough is a striking natural crystal specimen, featuring a rich, saturated magenta hue with subtle purple undertones that deepen toward the core. The rough's rugged, natur

2026

26.18ct Natural Mauritania Ruby Rough (Unheated), 7AM

ThousandPlanetSathorn, Bangkok

2.73 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 11x9mm, 20XC: This captivating Welo opal gleams with a luminous cascade of multi neon color that ripple across the stone's surface with every movement. The play-of-color is vivid and well-distributed, presenting a

2026

2.73 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 11x9mm, 20XC

ThousandPlanetSathorn, Bangkok

25.19ct Natural Mauritania Ruby Rough (Unheated), 86XA: This unheated Mauritania ruby rough is a striking natural crystal specimen, featuring a rich, saturated magenta hue with subtle purple undertones that deepen toward the core. The rough's rugged, natur

2026

25.19ct Natural Mauritania Ruby Rough (Unheated), 86XA

ThousandPlanetSathorn, Bangkok

Fine Rainbow Flourite Specimen on Stand: Item is the exact item in the image- Bidder is responsible for all value and grade determination- Please review all terms and conditions prior to placing any bids-

2026

Fine Rainbow Flourite Specimen on Stand

Shipping DepartmentPost Falls, ID

Three amethyst and marble boxes: Three amethyst and marble boxes Late 20th century Each with marble interior and brass hinge 3 pieces Largest: 1.625" H x 6.125" W x 4.25" D; Smallest: 1.375" H x 4" W x 2.75" D

2026

Three amethyst and marble boxes

John Moran Auctioneers, Inc.Monrovia, CA

Friedrich Justin Bertuch – Ichthyological Illustration of Sharks and an Angelshark: "Bilderbuch für Kinder" features three distinct shark species oriented horizontally against a neutral background. The top figure illustrates a speckled brown catshark variety with prominent dorsal fi

2026

Friedrich Justin Bertuch – Ichthyological Illustration of Sharks and an Angelshark

Dahlstroms AuctioneerAvignon, Provence-Alpes-Cote d'Azur

10.00 Carat Myanmar Pigeon Blood Ruby Round Cut No Reserve GGI Certified: Characterized by a deep, vivid red color with slight fluorescence, originating from the Mogok region. This high-carat, untreated stone is prized for their saturated, fiery hue, exhibiting a round cut

2026

10.00 Carat Myanmar Pigeon Blood Ruby Round Cut No Reserve GGI Certified

California GemstonesSan Diego, CA

11.25 Carat --- Ceylon Pink Sapphire--- Emerald Step Cut --- EGL Certified: Investment-grade gemstone combines exceptional size, a highly desirable origin, and a sophisticated geometric cut.

2026

11.25 Carat --- Ceylon Pink Sapphire--- Emerald Step Cut --- EGL Certified

California GemstonesSan Diego, CA

10.96 Carat --- Vietnamese Royal Blue Spinel --- Round Cut EGL Certified: Exceptional high-carat gemstone, originating from the Luc Yen region, known for producing cobalt-bearing blue spinels with vivid, saturated hues and high brilliance. Featuring a classic round cut, thi

2026

10.96 Carat --- Vietnamese Royal Blue Spinel --- Round Cut EGL Certified

California GemstonesSan Diego, CA

6.45 Carat --Myanmar Blood Red Ruby -- Round Cut --GGI Certified: An exceptional gemstone, exhibiting intense, vibrant red hues due to high chromium and low iron content. Originating from the famed Mogok Valley, such a stone often possesses high fluorescence, causin

2026

6.45 Carat --Myanmar Blood Red Ruby -- Round Cut --GGI Certified

California GemstonesSan Diego, CA

3.08 Carat --Brazilian Purple Amethyst -- Octogon Step Cut --IGI Certified: Brazilian purple amethyst, cut in an octagon step-cut style, is a high-clarity, vibrant gemstone typically sourced from the Rio Grande do Sul region of Brazil. Brazilian Amethyst is renowned for produ

2026

3.08 Carat --Brazilian Purple Amethyst -- Octogon Step Cut --IGI Certified

California GemstonesSan Diego, CA

5.50 Carat --- Ceylon Java Plum Sapphire --- Oval Cut --- AGSL Certified: A vibrant, purple-hued gemstone frequently sourced from Sri Lanka. The "Java Plum" variety is known for its intense, deep, purplish-violet color, often exhibiting a blend of purple and blue. Deep purp

2026

5.50 Carat --- Ceylon Java Plum Sapphire --- Oval Cut --- AGSL Certified

California GemstonesSan Diego, CA

10.35 Carat ---- Ceylon Morganite ---- Round Cut ---- EGL Certified: A high premium, substantial collector-sized loose gemstone known for its romantic pastel tones and exceptional symmetry. Sourced from the world-renowned gem fields of Sri Lanka (Ceylon), this impressi

2026

10.35 Carat ---- Ceylon Morganite ---- Round Cut ---- EGL Certified

California GemstonesSan Diego, CA

11.50 Carat -- Sri Lankan Pink Sapphire -- Round Cut ---EGL Certified: a substantial, high-clarity, round-cut gemstone typically characterized by a vibrant pink hue and excellent brilliance, often sourced from the Ratnapura region. These natural,Ceylon sapphires are favo

2026

11.50 Carat -- Sri Lankan Pink Sapphire -- Round Cut ---EGL Certified

California GemstonesSan Diego, CA

8.30 Carat --- Colombian Green Emerald --- Trillion Cut --- GGI Certified: A highly desirable gemstone, featuring a vibrant, vivid green hue. These high-carat gems are have refined cuts, offering exceptional clarity, brilliant luster, making them ideal for investment or luxu

2026

8.30 Carat --- Colombian Green Emerald --- Trillion Cut --- GGI Certified

California GemstonesSan Diego, CA

5.45 Carat --- Mozambique Pink Ruby --- Brilliant Oval Cut --- EGL Certified: Particularly in a brilliant oval cut, is a rare, high-value gem. Known for intense, vivid pink hue and high fluorescence, these stones are sourced from the Mogok Valley. The oval brilliant cut maximiz

2026

5.45 Carat --- Mozambique Pink Ruby --- Brilliant Oval Cut --- EGL Certified

California GemstonesSan Diego, CA

6.15 Carat --- Soft Sparkling Purple Amethyst --- Pear Cut --- IGI Certified: A substantial, tailored gemstone known for its clean, rectangular step-cut facets. Green quartz, often referred to in the trade as "emerald quartz," is a glassy, typically transparent variety of quart

2026

6.15 Carat --- Soft Sparkling Purple Amethyst --- Pear Cut --- IGI Certified

California GemstonesSan Diego, CA

21.10 Carat --- Green Tsavorite PAIR --- Emerald Step Cut ---GIR Certified: An emerald step cut is a world-class, exceptionally rare matching set of vibrant green grossular garnets.

2026

21.10 Carat --- Green Tsavorite PAIR --- Emerald Step Cut ---GIR Certified

California GemstonesSan Diego, CA

12.20 Carat --- Tsavorite PAIR --- Emerald Cut --- Certified: A exceptional and striking ensemble of matching, natural green garnets. Tsavorite is celebrated for its vivid, saturated hue, superior brilliance, and durability—often prized as a premium, naturally

2026

12.20 Carat --- Tsavorite PAIR --- Emerald Cut --- Certified

California GemstonesSan Diego, CA

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Fossils Auctions

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

6 days Left

Pair George III style scarlet japanned cabinets

George E. Browne, large oil on canvas, ex museum

Permian reptile Captorhinus Aguti fossil skeleton

Millea Bros "SELECT" (Day 2 of 3)

Millea Bros Ltd

Starts on:

Boonton, NJ, US

4 days Left

Fossilized Spinosaurus Tooth

Carrier-Belleuse French Art Deco “Festival Bound?? Bronze Sculpture Reproduction - 26" x 12"

Hand Carved Mayan Religious Ceremonial Mask

1200+ Artifacts, Treasures & Decor

Weatherham Estate Treasures

Starts on:

Cobourg, ON, CA

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