Antique & Vintage Gems for Sale in Online Auctions

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GEM RHODONITE 1760 CARATS ROCK STONE LAPIDARY SPECIMEN: GEM RHODONITE 1760 CARATS ROCK STONE LAPIDARY SPECIMEN

2026

GEM RHODONITE 1760 CARATS ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

A Lot of Fossilized Boulder Opal Rough Specimens, 61ZJ: This lot comprises six fossilized boulder opal rough specimens, ranging in size from 2.7 to 3.5 cm, with a total weight of 83.25 grams. Each specimen retains its natural ironstone host rock matrix, ex

2026

A Lot of Fossilized Boulder Opal Rough Specimens, 61ZJ

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 59g, 87WS: 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, 87WS

ThousandPlanetSathorn, Bangkok

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

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

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

38.35 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ92: This striking Winton boulder opal rough showcases the dramatic beauty of Australian boulder opal. The polished face reveals a broad sheet of opal glowing with shifting hues of deep cobalt blue, electr

2026

38.35 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ92

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 47g, 100WS: 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, 47g, 100WS

ThousandPlanetSathorn, Bangkok

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

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

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

Natural Australian Lightning Ridge Opal Rough, 41g, 93WS: 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, 41g, 93WS

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 62g, 97WS: 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, 62g, 97WS

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 80g, 95WS: 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, 80g, 95WS

ThousandPlanetSathorn, Bangkok

53.39 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ95: This striking Winton boulder opal rough showcases the dramatic beauty of Australian boulder opal at its finest. The polished face reveals a large, continuous sheet of opal glowing with shifting hues o

2026

53.39 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ95

ThousandPlanetSathorn, Bangkok

5.61 Carats Color-Flecked Koroit Boulder Opal - Natural Australian Stone, LZ45: This magnificent 5.61 carat Koroit boulder opal, measuring 15.2mm x 10.9mm x 3.2mm, is a breathtaking showcase of nature's complexity. Polished into a smooth oval cabochon, its face features a rich, t

2026

5.61 Carats Color-Flecked Koroit Boulder Opal - Natural Australian Stone, LZ45

ThousandPlanetSathorn, Bangkok

1.146 Carats Certified Dark Purple Orangy Spinel - Natural Gemstone, LZ268: This singular oval mixed-cut spinel captivates with a deep purple hue infused with warm, orangy undertones, creating a rich, velvety appearance that shifts subtly under light. The stone's faceting enh

2026

1.146 Carats Certified Dark Purple Orangy Spinel - Natural Gemstone, LZ268

ThousandPlanetSathorn, Bangkok

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