Large Rough Opal cuts 3 gems worth over $20k
25:53
The rollercoaster of a high-risk rough opal piece
20:18
Uncut gem screams TOP BLACK OPAL I expose and polish
46:17
Largest Opal I've Ever Cut Into a Faceted Gemstone
7:48
Let's Cut Big Gem 168 carats | Afghan Sapphire | Gem Cutting, Performing, Faceting & Polishing
25:06
Uncut gem opal cluster in sandstone. Let's see what’s inside!
42:33
Small uncut gem parcel of opal $4000 cost - Do I make a profit
24:06
¡Estas ágatas NUNCA decepcionan! ¡Cortemos algunas gemas!
51:07