Coral Fossils

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1ct Loose Moissanite Gemstone (6.5mm).: 1ct Loose Moissanite Gemstone (6.5mm).

2026

1ct Loose Moissanite Gemstone (6.5mm).

Lunds Auctioneers & Appraisers Ltd.Victoria, BC

Ideal Loose Diamond - ROUND 1.52ct Fancy Vivid Blue VVS2: Ideal Loose Diamond - ROUND 1.52ct Fancy Vivid Blue VVS2 Source: This is a real non-mined Diamond that has been grown in a lab Shape: ROUND Carats: 1.52 Color: Fancy Vivid Blue Certification: IGI Vide

2026

Ideal Loose Diamond - ROUND 1.52ct Fancy Vivid Blue VVS2

Diamond DepotNew York, NY

Antique whale vertebrae - 4 1/2" tall x 21"x13": Antique whale vertebrae - 4 1/2" tall x 21"x13"

2026

Antique whale vertebrae - 4 1/2" tall x 21"x13"

Flying Pig AuctionsWestmoreland , NH

28.33ct Natural Mauritania Ruby Rough (Unheated), 75XA: This unheated Mauritania ruby rough is a captivating natural crystal specimen, featuring vivid magenta-purple ruby formations embedded in a contrasting greyish matrix. The stone's rugged, unpolished s

2026

28.33ct Natural Mauritania Ruby Rough (Unheated), 75XA

ThousandPlanetSathorn, Bangkok

35.90 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ96: This striking Winton boulder opal rough is a dramatic example of Australian boulder opal's raw beauty. The polished face reveals a broad, vibrant sheet of opal glowing with intense, saturated hues of

2026

35.90 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ96

ThousandPlanetSathorn, Bangkok

24.78ct Natural Mauritania Ruby Rough (Unheated), 57XA: This unheated Mauritania ruby rough is a captivating natural crystal specimen, featuring vivid magenta-purple ruby formations embedded in a contrasting greyish matrix. The stone's rough, unpolished su

2026

24.78ct Natural Mauritania Ruby Rough (Unheated), 57XA

ThousandPlanetSathorn, Bangkok

30.75ct Natural Mauritania Ruby Rough (Unheated), 85AM: 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

30.75ct Natural Mauritania Ruby Rough (Unheated), 85AM

ThousandPlanetSathorn, Bangkok

56.36 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ94: This impressive Winton boulder opal rough is a stunning showcase of Australian boulder opal's natural beauty. The polished face reveals a broad, continuous sheet of opal glowing with shifting hues of

2026

56.36 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ94

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 60g, 86WS: 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, 60g, 86WS

ThousandPlanetSathorn, Bangkok

34.15 Carats Deep Purple Winton Boulder Opal Rough - Natural Australian Stone, LZ100: This striking boulder opal rough from Winton, Australia, showcases an intense display of deep, saturated purple play-of-color set within a natural ironstone matrix. The polished face reveals broad swa

2026

34.15 Carats Deep Purple Winton Boulder Opal Rough - Natural Australian Stone, LZ100

ThousandPlanetSathorn, Bangkok

42.07 Carats Blue-Green Winton Boulder Opal Rough - Natural Australian Stone, LZ99: This striking rough boulder opal from Winton displays a dramatic landscape of color and texture. Set within its natural ironstone matrix, the opal showcases a spectrum of vivid blue hues, from soft sk

2026

42.07 Carats Blue-Green Winton Boulder Opal Rough - Natural Australian Stone, LZ99

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 59g, 98WS: 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, 59g, 98WS

ThousandPlanetSathorn, Bangkok

24.70ct Natural Mauritania Ruby Rough (Unheated), 85XA: 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

24.70ct Natural Mauritania Ruby Rough (Unheated), 85XA

ThousandPlanetSathorn, Bangkok

29.04 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ97: This substantial Winton boulder opal rough is a stunning example of Australian opal at its most dramatic. The natural ironstone matrix forms a rugged, textured canvas, interspersed with vivid veins an

2026

29.04 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ97

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 73g, 88WS: 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, 73g, 88WS

ThousandPlanetSathorn, Bangkok

40.85 Carats Royal Blue Winton Boulder Opal Rough - Natural Australian Stone, LZ101: This striking boulder opal rough from Winton, Australia, presents a dramatic contrast of rich, metallic ironstone matrix and vivid royal blue opal. The polished face reveals broad, saturated swathes o

2026

40.85 Carats Royal Blue Winton Boulder Opal Rough - Natural Australian Stone, LZ101

ThousandPlanetSathorn, Bangkok

18 Carats Soft Pink Round Pearl - Natural Loose Gemstone, 90XY: This exquisite round pearl exhibits a gentle, ethereal pink hue, with a smooth, lustrous surface that catches light with a soft, iridescent glow. Measuring 13.7mm, its near-perfect spherical shape and

2026

18 Carats Soft Pink Round Pearl - Natural Loose Gemstone, 90XY

ThousandPlanetSathorn, Bangkok

22.48 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 44XP: This elegant Winton boulder opal rough slab showcases a luminous band of soft sky-blue and pale lavender play-of-color, with subtle hints of violet iridescence that glow gently under light. Measuring

2026

22.48 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 44XP

ThousandPlanetSathorn, Bangkok

19.13 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 48XA: This luminous collection of Welo opals showcases a rich spectrum of warm and cool translucent body tones, from milky white and soft cream to honey and golden amber, each adorned with vivid, shifting c

2026

19.13 Carats Welo Opal Cabochon Parcel - Natural Ethiopian Stones, 48XA

ThousandPlanetSathorn, Bangkok

1660Ct Natural Type A Burmese Jadeite Jade Rough Stone - Green Raw Material, 19ZB: Natural Type A Burmese jadeite rough stone, displaying a deep dark green base with intricate light green and brown veining patterns across its smooth, weathered surface. The stone retains its natural,

2026

1660Ct Natural Type A Burmese Jadeite Jade Rough Stone - Green Raw Material, 19ZB

ThousandPlanetSathorn, Bangkok

735Ct Natural Type A Burmese Jadeite Jade Rough Stone - Green Raw Material, 3ZB: Natural Type A Burmese jadeite rough stone, displaying vibrant deep green mottling and translucent pale green base, framed by natural brown weathered skin across its uncut surface. The stone retains i

2026

735Ct Natural Type A Burmese Jadeite Jade Rough Stone - Green Raw Material, 3ZB

ThousandPlanetSathorn, Bangkok

18.17ct Natural Mauritania Ruby Rough (Unheated), 93AM: 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

18.17ct Natural Mauritania Ruby Rough (Unheated), 93AM

ThousandPlanetSathorn, Bangkok

14.53ct Natural Mauritania Ruby Rough (Unheated), 83XA: 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

14.53ct Natural Mauritania Ruby Rough (Unheated), 83XA

ThousandPlanetSathorn, Bangkok

16.80 Carats Matrix Boulder Opal Triangular Cabochon - Natural Australian Stone, 16XC: This striking matrix boulder opal cabochon, measuring 23.9 x 17.6 x 5.6 mm, is a dramatic display of natural geological artistry. Polished into a bold triangular shape, the stone features an intricate

2026

16.80 Carats Matrix Boulder Opal Triangular Cabochon - Natural Australian Stone, 16XC

ThousandPlanetSathorn, Bangkok

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Fossils Auctions

Jurassic Period Giant Fossil Ammonite | Southern France | 31" Intact Spiral

Monumental 17th C. Chinese Wood Sculpture of Guanyin

18th C. Cusco School Oratorio Portátil, Viceregal Peru, ex-Holler & Saunders

Fine Fossils, Native American, Asian, Ethno

Artemis Fine Arts

Starts on:

Louisville, CO, US

2 days Left

Michoacan Pottery Figure - Seated Dignitary in Headdress

Prehistoric Complete Oreodont Femur Bone Fossil

18th c. Italian Engraving after Reni - Apollo & Aurora

Summer Marketplace | Ancient & Ethnographic

Artemis Fine Arts

Starts on:

Louisville, CO, US

4 11/16" Thebes, Dickey COA, Calhoun Co., Illinois, Found Near the Illinois River

18" x 8 1/2" Large Mammoth Jaw and Tooth Fossil, Recovered from Alaskan Permafrost

10 3/4" Pre-Columbian Moche Culture Stirrup Vessel, Northern Coastal Peru

Pre-Columbian, Native American Artifacts

Heartland Artifact Auctions

Starts on:

Quincy, IL, US

5 days Left

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