Gem Cutting Tutorial: Lab Created Alexandrite
25:22
Gem Cutting Tutorial: Large Lemon Quartz Trillion
29:01
Gem Cutting Tutorial: Standard Step Cut For Beginner Cutters
11:52
Gem Cutting Tutorial: Montana Sapphire
9:11
ALEXANDRITE Gemstone that Changes Color 😱 Natural, Lab Created, Synthetic
6:44
Synthetic Gemstones
17:49
Gem Cutting Tutorial: Moldavite or Glass?
21:28
Alexandrite Gemstones | Untreated Natural and Lab-Created
17:44