950 carat uncut gem rough opal - I'm going in!
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$500 Purchase turns insane profit?
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The dream OPAL comes true!
20:07
Cutting a Massive Gemstone Over 1000 Carats! How I Facet This Jumbo Quartz
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Why Black Opal Is So Expensive | So Expensive
20:18
Uncut gem screams TOP BLACK OPAL I expose and polish
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One Of The Rarest Finds In Opal Mining History ‘The Nest’ A Plate Of Three Opal Pineapples!
20:32
Could this rough opal be the cut of the year? I'm going in
43:45