Opal

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57.51ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 15AX: 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

57.51ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 15AX

ThousandPlanetSathorn, Bangkok

OPAL, DIAMOND HALO & 14K GOLD NECKLACE: OPAL, DIAMOND HALO & 14K GOLD NECKLACE:adjustable length yellow gold cable chain secured to a yellow gold pendant with 22 round-cut diamonds set around a 7mm x 5mm oval shaped opal cabochon weighing a

2026

OPAL, DIAMOND HALO & 14K GOLD NECKLACE

Platinum Auction GroupBoca Raton, FL

Vintage PB opal & pink stone sterling silver single hook earring. #B: Vintage PB opal & pink stone sterling silver single hook earring. . Marked 925 PB. < For measures please refer to the pictures taken with a measuring tape. Weight: 2.06 Grams. IN HOUSE FLAT SHIPPING &

2026

Vintage PB opal & pink stone sterling silver single hook earring. #B

Succetti GalleryHighland Park, IL

3.56ct Natural Ethiopian Welo Blue Fire Opal Loose Gemstone, 65XX: This opal material is sourced from natural Ethiopian Welo opal deposits and processed with refined buffing and high-gloss polishing via standard lapidary techniques. The vibrant blue body tone togethe

2026

3.56ct Natural Ethiopian Welo Blue Fire Opal Loose Gemstone, 65XX

Lazo HeritageSathorn, Bangkok

24.60ct Natural Ethiopian Welo Opal Cabochon Loose Gemstone, 68BY: 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

24.60ct Natural Ethiopian Welo Opal Cabochon Loose Gemstone, 68BY

ThousandPlanetSathorn, Bangkok

2.09ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 9FX: 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 13x8x4mm. The black smoke treatment deepens

2026

2.09ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 9FX

ThousandPlanetSathorn, Bangkok

1.57ct Natural Ethiopian Welo Orange Fire Opal Cabochon Loose Gemstone, 68XX: 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

1.57ct Natural Ethiopian Welo Orange Fire Opal Cabochon Loose Gemstone, 68XX

Lazo HeritageSathorn, Bangkok

2.76ct Natural Ethiopian Welo Blue Fire Opal Loose Gemstone, 59XX: This opal material is sourced from natural Ethiopian Welo opal deposits and processed with refined buffing and high-gloss polishing via standard lapidary techniques. The vibrant blue body tone togethe

2026

2.76ct Natural Ethiopian Welo Blue Fire Opal Loose Gemstone, 59XX

Lazo HeritageSathorn, Bangkok

4.04ct Natural Ethiopian Welo Blue Fire Opal Loose Gemstone, 64XX: This opal material is sourced from natural Ethiopian Welo opal deposits and processed with refined buffing and high-gloss polishing via standard lapidary techniques. The vibrant blue body tone togethe

2026

4.04ct Natural Ethiopian Welo Blue Fire Opal Loose Gemstone, 64XX

Lazo HeritageSathorn, Bangkok

3.35ct Natural Ethiopian Welo Blue Fire Opal Loose Gemstone, 60XX: This opal material is sourced from natural Ethiopian Welo opal deposits and processed with refined buffing and high-gloss polishing via standard lapidary techniques. The vibrant blue body tone togethe

2026

3.35ct Natural Ethiopian Welo Blue Fire Opal Loose Gemstone, 60XX

Lazo HeritageSathorn, Bangkok

2.01 Carats Natural Ethiopian Welo Opal Oval Cabochon Loose Gemstone, 53XV: 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

2.01 Carats Natural Ethiopian Welo Opal Oval Cabochon Loose Gemstone, 53XV

Lazo HeritageSathorn, Bangkok

3.00ct Natural Ethiopian Welo Blue Fire Opal Loose Gemstone, 62XX: This opal material is sourced from natural Ethiopian Welo opal deposits and processed with refined buffing and high-gloss polishing via standard lapidary techniques. The vibrant blue body tone togethe

2026

3.00ct Natural Ethiopian Welo Blue Fire Opal Loose Gemstone, 62XX

Lazo HeritageSathorn, Bangkok

1.92ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 62FX: 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 10x8x4mm. The black smoke treatment deepens

2026

1.92ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 62FX

ThousandPlanetSathorn, Bangkok

36.62ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 87YP: 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

36.62ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 87YP

Lazo HeritageSathorn, Bangkok

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

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

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

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

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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

4 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

3 days Left

Impressive Mid Century Viking Epic Stockholm Smoke Pine Gray Lotus Wayne Husted Art Glass Vase

GIVENCHY Vintage Designer Matte Silver G Cutout Necklace, Bracelet & Pierced Earrings Ensemble

Vintage Jewelry, Early Christmas & Unusual

Atlee Raber Auctions

Starts on:

Dundee, OH, US

5 days Left

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