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Collectibles Rocks, Minerals & Fossils Gems

9.37Ct Boulder Opal - Australian Opal, 500B First Image

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9.37Ct Boulder Opal - Australian Opal, 500B First Image

9.37Ct Boulder Opal - Australian Opal, 500B

Total Sales1 Sold

Median Sale Price

Sale Price Range

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Natural Boulder Opal Multi-Color Gemstones 21.40 Ct. Flashing Free Form Cabochon (1 of 3)

Natural Boulder Opal Multi-Color Gemstones 21.40 Ct. Flashing Free Form Cabochon

Treasure of Gems & Jewelry

$1

Aug 30, 2026

Natural Multi Color Flashing Boulder Opal Gemstones 3.49 Ct. Free Form Cabochon Shape (1 of 3)

Natural Multi Color Flashing Boulder Opal Gemstones 3.49 Ct. Free Form Cabochon Shape

Treasure of Gems & Jewelry

$10

Aug 30, 2026

1.14 Ct Natural Black Flashing Fire Opal Oval Cab (1 of 4)

1.14 Ct Natural Black Flashing Fire Opal Oval Cab

$1

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2.19 Ct Natural Black Flashing Fire Opal Oval Cab (1 of 3)

2.19 Ct Natural Black Flashing Fire Opal Oval Cab

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4.34 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 13.3x9.3mm, 4XM (1 of 2)

4.34 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 13.3x9.3mm, 4XM

$25

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