Understanding the Origin of Natural Diamonds | GIA Knowledge Sessions Webinar Series
53:11
Unusual Phenomenal Colored Stones | GIA Knowledge Sessions Webinar Series
1:03:52
Laboratory-Grown Diamonds: Updates and Identification | GIA Knowledge Sessions Webinar Series
1:10:05
Diamond Ages: Are Diamonds Forever? | GIA Knowledge Sessions Webinar Series
18:37
Found a diamond? Identify, Test, and Verify Real Diamonds - Tips and tricks for testing
9:13
Can Diamonds Made In A Lab Replace Natural Ones? | Rise And Fall
1:07:21
The Evolution of Laboratory-Grown Diamond Evaluation at GIA | GIA Knowledge Sessions Webinar Series
9:45
Diamonds Uncut
1:26:52