Understanding the Origin of Natural Diamonds | GIA Knowledge Sessions Webinar Series
53:11
Unusual Phenomenal Colored Stones | GIA Knowledge Sessions Webinar Series
59:04
Diamond Exploration & Mining | GIA Knowledge Sessions Webinar Series
1:03:52
Laboratory-Grown Diamonds: Updates and Identification | GIA Knowledge Sessions Webinar Series
18:37
Found a diamond? Identify, Test, and Verify Real Diamonds - Tips and tricks for testing
1:04:54
Furnaces, Fluxes and Filling: A Review of Ruby Treatment | GIA Knowledge Sessions Webinar Series
9:13
Can Diamonds Made In A Lab Replace Natural Ones? | Rise And Fall
9:45
Diamonds Uncut
45:43