Loose boulder opal

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LOOSE BOULDER OPAL

Bonhams4

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US$100(7 bids)

2.86 ct Natural Multicolor Opal Triplet, Oval Cabochon, Opaque, Australia

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2.27Ct Boulder Opal - Australian Opal, 476B

Ksmith Heritage Auctioneers4.3

(46)

US$25(2 bids)

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3.22 ct Natural Multicolor Opal Triplet, Fancy Cabochon, Opaque, Australia

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(227)

US$160

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12.16Ct Blue Boulder Opal - Australian Opal , 932E

Ksmith Heritage Auctioneers4.3

(46)

US$10

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10.08Ct Boulder Opal - Australian Opal , 539E

Ksmith Heritage Auctioneers4.3

(46)

US$10

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22.16Ct Blue Boulder Opal - Australian Opal , 450E

Ksmith Heritage Auctioneers4.3

(46)

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3.77 ct Fancy Cabochon Natural Multicolor Opal Triplet

Weatherham Estate Treasures3.9

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US$160

Apr 15, 2026

*6.61Ct Boulder Opal - Australian Opal, 250B

Ksmith Heritage Auctioneers4.3

(46)

US$10

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2.40 ct Natural Multicolor Opal Triplet – Oval Cabochon

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11.02Ct Boulder Opal - Australian Opal , 876E

Ksmith Heritage Auctioneers4.3

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12.47Ct Boulder Opal - Australian Opal, 193B

Ksmith Heritage Auctioneers4.3

(46)

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14.18Ct Blue Boulder Opal - Australian Opal , 76E

Ksmith Heritage Auctioneers4.3

(46)

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13.10Ct Blue Boulder Opal - Australian Opal , 79E

Ksmith Heritage Auctioneers4.3

(46)

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*1.98Ct Boulder Opal - Australian Opal , 498E

Ksmith Heritage Auctioneers4.3

(46)

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25.96-Carat Opal Oval Cabochon Loose Gemstone

FORTUNA4.5

(72)

US$550(3 bids)