Gems

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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

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

19.65ct Natural Mauritania Ruby Rough (Unheated), 81XA: 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

19.65ct Natural Mauritania Ruby Rough (Unheated), 81XA

ThousandPlanetSathorn, Bangkok

27.47 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ90: 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, violet

2026

27.47 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ90

ThousandPlanetSathorn, Bangkok

59.14 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ88: This impressive Winton boulder opal rough is a striking example of Australian opal's dramatic natural beauty. The substantial ironstone matrix forms a rugged, earthy base, with a broad, polished face

2026

59.14 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ88

ThousandPlanetSathorn, Bangkok

25.72ct Natural Mauritania Ruby Rough (Unheated), 66XA: This unheated Mauritania ruby rough is a captivating natural crystal specimen, showcasing a rich, saturated magenta-purple hue embedded in a rugged, contrasting matrix. The stone's elongated, natural

2026

25.72ct Natural Mauritania Ruby Rough (Unheated), 66XA

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 36g, 92WS: 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, 36g, 92WS

ThousandPlanetSathorn, Bangkok

Natural Australian Lightning Ridge Opal Rough, 60g, 96WS: 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, 96WS

ThousandPlanetSathorn, Bangkok

81.88 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ91: This impressive Winton boulder opal rough is a stunning example of Australian boulder opal's rugged beauty. The ironstone matrix forms a dark, textured backdrop, with scattered patches and veins of op

2026

81.88 Carats Winton Boulder Opal Rough Specimen - Natural Queensland Origin, LZ91

ThousandPlanetSathorn, Bangkok

22.89ct Natural Mauritania Ruby Rough (Unheated), 84XA: 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

22.89ct Natural Mauritania Ruby Rough (Unheated), 84XA

ThousandPlanetSathorn, Bangkok

An Australian Koroit Yowah Boulder Opal Rough Lot, 46.85g, 48ZH: A parcel of rough Koroit Yowah boulder opal, with individual pieces ranging from 3-4 cm in size, totaling 46.85 grams. The specimens are characterized by their ironstone host rock matrix, which displa

2026

An Australian Koroit Yowah Boulder Opal Rough Lot, 46.85g, 48ZH

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

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Gems Auctions

AQUAMARINE AND PERIDOT ROCK STONE LAPIDARY SPECIMEN

MIXED PENDANTS ROCK STONE LAPIDARY SPECIMEN

FOSSIL IN MATRIX ROCK STONE LAPIDARY SPECIMEN

Trove of Treasures Gems & Antiques

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

8 hrs Left

18K White Gold Kashmir Sapphire Ring with Diamonds

18K White Gold Paraiba ring With Diamonds

18K Gold-Plated 925 Silver Chain with amethyst, topaz and lemon quartz pear shape

Live25

Nile Gems | Fine Jewelry & Gemstones Auction

Nile Jewels Co Ltd

Started:

Bangkok, Krung Thep, TH

AGL Certified 7.63ct Natural No Heat Royal Blue Sapphire Diamond Ring Platinum*v

Authentic Tiffany & Co 18kt Pin 11793**

GIA Certified 5.08ct. Natural Ruby Diamonds ring 18kt Ballerina Prime *v

Gems & Glamour: Fine Jewelry Stones Auction

Ends from:

New York, NY, US

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