Huge Ruby 560 carats | Africa | Gemstone Cutting, Performing, Faceting & Polishing
7:48
Let's Cut Big Gem 168 carats | Afghan Sapphire | Gem Cutting, Performing, Faceting & Polishing
18:07
This cut made National News! Cutting RARE Black Opal, the heat is on Direct from the mine.
12:21
10 piedras más valiosas que los diamantes
7:41
Big Ruby rock 104 carats | Africa | Shipping to Switzerland | Gemstone Cutting, Faceting & Polishing
25:38
Colombia: el rey de las esmeraldas
13:53
ROMPÍ UNA PIEDRA PARA VER SI HAY UN DIAMANTE DENTRO
12:39
Ordinary Red Beach Rock Turns Into An Amazing Gemstone
17:19