8.52cts Black Diamond Test

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8.52cts Black Diamond

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8.52 cts Australian Opal, Doublet Stone Cabochon, Lightning Ridge

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6.52cts Black Diamond Test

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Ro1626 - Boulder Opal Rough from Queensland Australia

(1:44)

11 22ct Natural Violet Yellow Green Flashing Boulder Opal Gem

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8.93cts Black Diamond

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10.91cts Black Diamond Test

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6.52cts Black Diamond

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8.44cts Black Diamond

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8.22cts Black Diamond Test

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8.22cts Black Diamond

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