Taille d’une tourmaline triangulaire : transparence parfaite et feu éclatant !
10:47
Cutting a First Gem on the CutKit™1 Faceting Setup with a Vevor Machine
7:12
Natural Yellow Tourmaline – Dazzling Sparkle with Extraordinary Brilliance!
32:54
How To Cut a Round Brilliant Gemstone Using a Faceting Diagram, For Beginners
7:19
37-Carat Mint Green Tourmaline: A Masterpiece After Recutting.
6:02
The Unique Fat Triangle Cut for Morganite
7:16
From Deeply Cracked Tourmaline to a Masterpiece of Transparency and Fire!
7:08
5-Carat Yellow Sapphire: Radiant Beauty Like the Sun.
17:31