Opal

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58.28ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 24YL: 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

58.28ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 24YL

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

1.97ct Natural Ethiopian Welo Solid Opal Oval Cabochon Loose Gemstone, 41TG: 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

1.97ct Natural Ethiopian Welo Solid Opal Oval Cabochon Loose Gemstone, 41TG

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

6.95 Carats Natural Ethiopia Welo Opal Oval Cabochon Parcel, 88WC: This parcel consists of six polished oval cabochons of genuine natural Ethiopia Welo Opal sourced from the famous Welo opal mining region. Each calibrated gem measures approximately 9x6x3mm, crafted w

2026

6.95 Carats Natural Ethiopia Welo Opal Oval Cabochon Parcel, 88WC

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

1.43 Carats Natural Ethiopian Welo Black Opal Oval Faceted Loose Gemstone, 86XX: This opal is mined from the Welo region of Ethiopia and expertly faceted and polished into an oval shape by professional lapidary techniques. Natural fine internal particles and faint natural fissures

2026

1.43 Carats Natural Ethiopian Welo Black Opal Oval Faceted Loose Gemstone, 86XX

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

40.46ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 49YP: 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

40.46ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 49YP

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

58.71ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 25YL: 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

58.71ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 25YL

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

2.00 Carats Natural Ethiopian Welo Opal Oval Cabochon Loose Gemstone, 42XV: 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

2.00 Carats Natural Ethiopian Welo Opal Oval Cabochon Loose Gemstone, 42XV

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

2.00ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 92WP: 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 10.3x7.7x4.8mm. The black smoke treatment de

2026

2.00ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 92WP

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

13.98ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 82YP: 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

13.98ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 82YP

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

1.80ct Natural Ethiopian Welo Solid Opal Oval Cabochon Loose Gemstone, 58TG: 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

1.80ct Natural Ethiopian Welo Solid Opal Oval Cabochon Loose Gemstone, 58TG

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

2.13ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 76TG: 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 11.7x8.3x4.5mm. The black smoke treatment de

2026

2.13ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 76TG

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

2.69ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 75TG: 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 11.9x9.6x5.0mm. The black smoke treatment de

2026

2.69ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 75TG

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

20.18ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 51YP: 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

20.18ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 51YP

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

35.58ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 19YL: 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

35.58ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 19YL

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

24.78ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 21YP: 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

24.78ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 21YP

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

34.12ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 11YP: 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

34.12ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 11YP

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

14.90ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 100YP: 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

14.90ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 100YP

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

65.42ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 31YL: 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

65.42ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 31YL

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

39.37ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 37YP: 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

39.37ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 37YP

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

42.11ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 60YL: 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

42.11ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 60YL

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

1.97ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 84TG: 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 11.0x8.2x4.2mm. The black smoke treatment de

2026

1.97ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 84TG

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

3.17ct Natural Ethiopian Welo Solid Opal Oval Cabochon Loose Gemstone, 59TG: 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

3.17ct Natural Ethiopian Welo Solid Opal Oval Cabochon Loose Gemstone, 59TG

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

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

(24)

42.74ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 81YL: 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

42.74ct Natural Australian Queensland Boulder Opal Sliced Slab Cutting Rough, 81YL

Sathorn, Bangkok

Lazo Heritage

4.4

(24)

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Opal Auctions

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

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

IGI Certified 14K Rose Gold 0.96ct Radiant Cut Diamond Ring

Japanese Ju Longevity Calligraphy Hanging Scroll, Signed

Lenci by Helen Konig Scavini Earthenware Sculpture, Ave Maria All-Round

Hudson Valley Antiques Collector Auction

Lion and Unicorn

Starts on:

Hollywood, FL, US

5 days Left

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