Opal

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3.87ct Natural Ethiopian Welo Orange Fire Opal Cabochon Loose Gemstone, 56XX: This opal is sourced from Ethiopian Welo natural opal deposits and shaped into a smooth polished cabochon form with refined lapidary finishing work. Bright warm orange base accompanied by vivid intern

2026

3.87ct Natural Ethiopian Welo Orange Fire Opal Cabochon Loose Gemstone, 56XX

Lazo HeritageSathorn, Bangkok

2.65ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 77FX: This fully polished Ethiopian Welo opal features a dark smoked base with vivid, sweeping play-of-color shifting across its glossy dome surface, measured at 12x8x5mm. The black smoke treatment deepens

2026

2.65ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 77FX

ThousandPlanetSathorn, Bangkok

6.19ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 14BY: This fully polished Ethiopian Welo opal features a dark smoked base with vivid, sweeping play-of-color shifting across its glossy dome surface, measured at 15x12x8mm. The black smoke treatment deepens

2026

6.19ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 14BY

ThousandPlanetSathorn, Bangkok

3.40ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 12FX: This fully polished Ethiopian Welo opal features a dark smoked base with vivid, sweeping play-of-color shifting across its glossy dome surface, measured at 14x8x6mm. The black smoke treatment deepens

2026

3.40ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 12FX

ThousandPlanetSathorn, Bangkok

12.85ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 75AY: Natural sliced slab rough of Queensland boulder opal cutting grade, featuring rich color ironstone matrix with patterns. The face clearly reveals extensive opal veining and pocket formations running t

2026

12.85ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 75AY

ThousandPlanetSathorn, Bangkok

2.04ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 49FX: This fully polished Ethiopian Welo opal features a dark smoked base with vivid, sweeping play-of-color shifting across its glossy dome surface, measured at 11x8x4mm. The black smoke treatment deepens

2026

2.04ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 49FX

ThousandPlanetSathorn, Bangkok

2.24 Carats Natural Ethiopian Welo Opal Oval Cabochon Loose Gemstone, 52XV: Natural Ethiopian Welo opal polished oval cabochon loose gemstone, luminous translucent milky white base stone with vivid multi-hued play-of-color featuring bright emerald green, lime yellow, soft blu

2026

2.24 Carats Natural Ethiopian Welo Opal Oval Cabochon Loose Gemstone, 52XV

Lazo HeritageSathorn, Bangkok

2.82ct Natural Ethiopian Welo Pink Fire Opal Oval Cabochon Loose Gemstone, 67XX: This opal originates from Ethiopian Welo opal bearing strata and is crafted into a sleek oval cabochon with smooth, high-gloss polishing through professional lapidary work. Soft pink base tone paired

2026

2.82ct Natural Ethiopian Welo Pink Fire Opal Oval Cabochon Loose Gemstone, 67XX

Lazo HeritageSathorn, Bangkok

1.34 Carats Natural Ethiopian Welo Blue Fire Opal Oval Faceted Loose Gemstone, 83XX: This opal originates from Ethiopia's Welo opal deposits and is precision faceted and highly polished by professional lapidary workmanship across the whole exterior facet plane. Mild inherent internal

2026

1.34 Carats Natural Ethiopian Welo Blue Fire Opal Oval Faceted Loose Gemstone, 83XX

Lazo HeritageSathorn, Bangkok

2.68 Carats Natural Ethiopian Welo Orange Fire Opal Pear Faceted Loose Gemstone, 85XX: This opal material is mined from the Welo deposits of Ethiopia and processed with professional faceted lapidary work with uniform polished facets across the gem surface. Natural subtle internal textur

2026

2.68 Carats Natural Ethiopian Welo Orange Fire Opal Pear Faceted Loose Gemstone, 85XX

Lazo HeritageSathorn, Bangkok

1.10 Carats Natural Ethiopian Welo Blue Fire Opal Oval Faceted Loose Gemstone, 72XX: This opal originates from Ethiopia's Welo opal deposits and is precision faceted and highly polished by professional lapidary workmanship across the whole exterior facet plane. Mild inherent internal

2026

1.10 Carats Natural Ethiopian Welo Blue Fire Opal Oval Faceted Loose Gemstone, 72XX

Lazo HeritageSathorn, Bangkok

1.08 Carats Natural Ethiopian Welo Blue Fire Opal Oval Faceted Loose Gemstone, 80XX: This opal originates from Ethiopia's Welo opal deposits and is precision faceted and highly polished by professional lapidary workmanship across the whole exterior facet plane. Mild inherent internal

2026

1.08 Carats Natural Ethiopian Welo Blue Fire Opal Oval Faceted Loose Gemstone, 80XX

Lazo HeritageSathorn, Bangkok

1.44 Carats Natural Ethiopian Welo Blue Fire Opal Oval Faceted Loose Gemstone, 79XX: This opal originates from Ethiopia's Welo opal deposits and is precision faceted and highly polished by professional lapidary workmanship across the whole exterior facet plane. Mild inherent internal

2026

1.44 Carats Natural Ethiopian Welo Blue Fire Opal Oval Faceted Loose Gemstone, 79XX

Lazo HeritageSathorn, Bangkok

2.16 Carats Natural Ethiopian Welo Greenish Blue Fire Opal Pear Faceted Loose Gemstone, 70XX: This opal material is sourced from the Welo opal fields of Ethiopia and shaped into a pear faceted cut with professionally polished facets across the entire exterior surface. Faint natural internal fe

2026

2.16 Carats Natural Ethiopian Welo Greenish Blue Fire Opal Pear Faceted Loose Gemstone, 70XX

Lazo HeritageSathorn, Bangkok

6 ct natural fire opal: 6 ct natural fire opal Beautiful colors. In very good original as found condition. Great quality and detail. 1.5 grams. 7/8 inches long. For in house shipping, please call Mike at Thriftiques 319-321-

2026

6 ct natural fire opal

Thriftiques of Iowaiowa city, IA

Two Australian natural fire opals: Two Australian natural fire opals. Approximately 3.4 cwt Beautiful colors. Nice fire and color. In very good original as found condition. Great quality and detail. White lines or dots are camera flash

2026

Two Australian natural fire opals

Thriftiques of Iowaiowa city, IA

Beautiful 2 ct red fire opal sterling silver ring: Beautiful 2 ct red fire opal sterling silver ring. Size 7. For in house shipping, please call Mike at Thriftiques 319-321-0613.

2026

Beautiful 2 ct red fire opal sterling silver ring

Thriftiques of Iowaiowa city, IA

Beautiful inlaid Australian opal sterling silver butterfly ring: Beautiful inlaid Australian opal sterling silver butterfly ring. Size 7. For in house shipping, please call Mike at Thriftiques 319-321-0613

2026

Beautiful inlaid Australian opal sterling silver butterfly ring

Thriftiques of Iowaiowa city, IA

Beautiful Australian opal and ruby sterling silver owl ring: Beautiful Australian opal and ruby sterling silver owl ring. Size 8. For in house shipping, please call Mike at Thriftiques 319-321-0613

2026

Beautiful Australian opal and ruby sterling silver owl ring

Thriftiques of Iowaiowa city, IA

Beautiful 2 ct red fire opal sterling silver ring: Beautiful 2 ct red fire opal sterling silver ring. Lab created. Size 6. For in house shipping, please call Mike at Thriftiques 319-321-0613

2026

Beautiful 2 ct red fire opal sterling silver ring

Thriftiques of Iowaiowa city, IA

Plated 18KT Yellow Gold and Sterling Silver 2.47ctw Opal Earrings: (2) Pear shaped Opals with a total weight of 1.55cts. (4) Pear shaped Opals with a total weight of 0.92cts. (6) round Diamonds with a total weight of 0.06cts with a color of H-I and clarity of i3. Tot

2026

Plated 18KT Yellow Gold and Sterling Silver 2.47ctw Opal Earrings

1 Great Deal Auctions Meridian, ID

14k Gold 15.13ct Opal 0.79ct Diamond Bracelet: Retail: $21,500.00 ****** 14k Gold 15.13ct Opal 0.79ct Diamond Bracelet ****** Size: 7 / Metal: 14k Solid Yellow Gold / Total Item Weight: 12.0 grams / Country Made: United States / / Main Stone: Opal

2026

14k Gold 15.13ct Opal 0.79ct Diamond Bracelet

Riverside GalleriesArcadia, CA

9.36ct Natural Ethiopian Welo Opal Cabochon Loose Gemstone, 70BY: This smoothly polished cabochon is genuine natural Ethiopian Welo opal. The translucent base hosts vivid multi-coloured play-of-colour, displaying dynamic flashes of multi color that shift as the view

2026

9.36ct Natural Ethiopian Welo Opal Cabochon Loose Gemstone, 70BY

ThousandPlanetSathorn, Bangkok

7.85ct Natural Ethiopian Welo Opal Cabochon Loose Gemstone, 53BY: This smoothly polished cabochon is genuine natural Ethiopian Welo opal. The translucent base hosts vivid multi-coloured play-of-colour, displaying dynamic flashes of multi color that shift as the view

2026

7.85ct Natural Ethiopian Welo Opal Cabochon Loose Gemstone, 53BY

ThousandPlanetSathorn, Bangkok

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24

Opal Auctions

1.97Ct Welo Black Faceted Opal Polished - Ethiopian Opal , 445E

29.90Ct Moss Agate Cabochon - Polished - 31x21mm Approx , 320E

Australian Lightning Ridge Crystal Black Opal Rough Chip Jar (Good For Display), 344B

The Aurora Treasury Gems & Jewels #3

Ksmith Heritage Auctioneers

Starts on:

Jelutong, Penang, MY

3 days Left

6.40 Cts Natural amethyst Gemstone - 12X10.5X8 mm

1.25 Carats Deep Blue Natural Aquamarine Loose Gemstone - 9X6X4 mm

Baby Pink Top quality Natural Kunzite loose Gemstone - 3.25 Carats - 9X8.5X6 mm

NO RESERVE Loose Gemstones

Fantasy Jewelry

Starts on:

Muscat, Muscat, AE

2 days Left

HAND KNAPPED ARROWHEADS ROCK STONE LAPIDARY SPECIMEN

MIXED LOT ROCK STONE LAPIDARY SPECIMEN

GARNET AND PERIDOT ROCK STONE LAPIDARY SPECIMEN

TURQUOISE TREASURES Mineral Showcase B

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

2 days Left

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