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
45:43
The Unique Story of Natural Diamond | GIA Knowledge Sessions Webinar Series
1:01:42
Identifying Mineral Inclusions in Diamonds | GIA Knowledge Sessions Webinar Series
9:13
Can Diamonds Made In A Lab Replace Natural Ones? | Rise And Fall
9:45
Diamonds Uncut
1:42:51
APHT and HPHT treatments of natural and of Laboratory-grown Diamonds - Dusan Simic
18:37