Opal

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1.61ct Natural Ethiopian Welo Solid Opal Oval Cabochon Loose Gemstone, 60TG: Solid opal cabochon mined from Ethiopia's Welo opal deposits, polished into a smooth elongated oval dome with high reflective gloss. The translucent pale milky base hosts broad shifting play-of-color

2026

1.61ct Natural Ethiopian Welo Solid Opal Oval Cabochon Loose Gemstone, 60TG

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

53.68ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 82YL: 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

53.68ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 82YL

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

2.49ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 82TG: 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 11.4x8.6x5.1mm. The black smoke treatment de

2026

2.49ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 82TG

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

2.15 Carats Natural Ethiopian Welo Opal Oval Cabochon Loose Gemstone, 54XV: 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

2.15 Carats Natural Ethiopian Welo Opal Oval Cabochon Loose Gemstone, 54XV

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

39.46ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 17YL: 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

39.46ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 17YL

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

8.51 Carats Boulder Opal Cabochon - Natural Matrix & Play-of-Color Specimen, 57XM: This 8.51ct boulder opal cabochon, measuring 23x12mm, is a striking example of Australia's iconic gemstone, showcasing the unique beauty of nature's artistry. The teardrop-shaped cabochon is polished

2026

8.51 Carats Boulder Opal Cabochon - Natural Matrix & Play-of-Color Specimen, 57XM

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

59.33ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 69YP: 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

59.33ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 69YP

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

95.07ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 66YL: 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

95.07ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 66YL

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

61.70ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 74YL: 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

61.70ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 74YL

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

26.60ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 20YL: 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

26.60ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 20YL

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

49.05ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 96YL: 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

49.05ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 96YL

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

3.30ct Natural Ethiopian Welo Orange Fire Opal Cabochon Loose Gemstone, 98TH: 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

3.30ct Natural Ethiopian Welo Orange Fire Opal Cabochon Loose Gemstone, 98TH

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

46.46ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 38YP: 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

46.46ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 38YP

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

3.84 Carats Natural Ethiopian Welo Opal Oval Cabochon Loose Gemstone, 56XV: 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

3.84 Carats Natural Ethiopian Welo Opal Oval Cabochon Loose Gemstone, 56XV

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

21.38ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 86YL: 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

21.38ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 86YL

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

61.50ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 100YL: 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

61.50ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 100YL

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

1.75 Carats Natural Ethiopian Welo Blue Fire Opal Oval Faceted Loose Gemstone, 92TS: 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

1.75 Carats Natural Ethiopian Welo Blue Fire Opal Oval Faceted Loose Gemstone, 92TS

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

2.33ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 86WP: 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 10.6x7.4x5.5mm. The black smoke treatment de

2026

2.33ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 86WP

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

2.26ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 89WP: 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 10.5x8.4x4.9mm. The black smoke treatment de

2026

2.26ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 89WP

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

42.15ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 16YP: 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

42.15ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 16YP

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

68.07ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 67YL: 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

68.07ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 67YL

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

27.55ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 5YP: 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

27.55ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 5YP

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

4.70ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 79YP: 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

4.70ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 79YP

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

3.63 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 11.3x9.2mm, 10XM: This exceptional 3.63-carat Koroit boulder opal cabochon is a natural work of art, featuring vivid veins of electric blue and iridescent play-of-color that snake through a warm, earthy ironstone matri

2026

3.63 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 11.3x9.2mm, 10XM

Sathorn, Bangkok

Lazo Heritage

4.4

(25)

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24

Opal Auctions

Large Rookwood plaque, Summer, Hurley, 1948, 12 by 14 inches.

Rookwood Vellum, Barn Swallows and Moon, Shirayamadani, 1907.

Rare Rookwood Aerial Blue mug with Polar Bear, Shirayamadani, 1896.

Fall 2026: Rookwood + Art Pottery

Starts on:

Cincinnati, OH, US

15.75Ct Honey Citrine Gemstone, Golden Quartz, Custom Jewelry 17X15X10 mm

0.40 Carats Fine Quality Natural Emerald - 7X4X3 mm

4.55 Carats Paired Emerald Cut Santa Maria Aquamarine Gemstones - 10X7X5 mm

Natural Loose Gemstones Starting at $50

Fantasy Jewelry

Starts on:

Muscat, Muscat, AE

1 day Left

Rocki Gorman Sterling Silver Multi-Strand Cross Necklace 179.75g

Turquoise Sterling Silver Concho Belt on New Leather 12 Conchos 313.25g

Robert Johnson Navajo Turquoise Cuff

SILVER, STONE & STORY

Kahu Paws Trading LLC

Starts on:

Santa Fe, NM, US

18 hrs Left

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