Huge Ruby 560 carats | Africa | Gemstone Cutting, Performing, Faceting & Polishing
10:32
Isso pode realmente acontecer
16:53
How To Cut Gemstones - Amethyst Faceting
7:48
Let's Cut Big Gem 168 carats | Afghan Sapphire | Gem Cutting, Performing, Faceting & Polishing
17:31
Faceting Another Massive Quartz Over 1000 Carats in a Square Cut!
13:43
Diamantes e esmeraldas emergem de fendas em rochas após chuvas torrenciais
9:45
First Time Heat Treating Rubies
12:53
100 carat rough opal fresh out of the mine gets cut
16:36