$6000 investment - The best cut ever - Rare Harlequin Black Opal
14:42
When Cutting Opal Goes Fatally Wrong – $11,000 down the drain?
33:28
Rough opal cut of the year - I make a huge $45k profit
6:41
INSANE Historical Photos which you've NEVER seen before
43:45
Building A $7,000 Dagger In 2 Months
28:57
MOST EXPENSIVE Gemstones Ever Discovered
6:37
Why Black Opal Is So Expensive | So Expensive
20:26
Reviving a Diseased and Neglected Juniper Bonsai
20:20