Gem Cutting by Thai Gemcutters
17:31
Faceting Another Massive Quartz Over 1000 Carats in a Square Cut!
36:12
Cutting A Huge 700 Carat Rare Valuable Gemstone
26:18
IGT Gem Cutting + Preforming Faceting Demonstration
30:32
Negotiating for Padparadscha Sapphires and Ceylon Blue in Ratnapura, Sri Lanka. Toughest Gem Sellers
19:59
How to cut and polish a stone. Awesome results!
12:12
Lapidary machines Presentation - by S.K.Y. Gem-Tech Ltd.
8:37
Inside an Emerald Cutting Factory
25:24