$20k gem black opal emerges from this uncut rough opal
12:22
$500 Purchase turns insane profit?
10:58
160 carat rough opal cut an unbelievable gem. Totally unexpected
20:18
Uncut gem screams TOP BLACK OPAL I expose and polish
11:25
Re-shaping this gem opal raises the value by double the cost
16:37
Everyone thought I was crazy when I bought this rotting yacht for $1...
19:58
Large Rough Opal cuts 3 gems worth over $20k
47:20
The Bushmen's Greatest Opal Finds On Outback Opal Hunters!
20:23