Rough Diamonds: Natural Crystal Shapes & Surface Features | GIA Knowledge Sessions Webinar Series
1:03:33
Emerald Sources: The Grass is Greener on the Other Side | GIA Knowledge Sessions Webinar Series
1:03:52
Laboratory-Grown Diamonds: Updates and Identification | GIA Knowledge Sessions Webinar Series
57:24
Diamond Color Treatment and Its Identification | GIA Knowledge Sessions Webinar Series
1:05:05
Playing the Blues: An Overview of Sapphire Treatment | GIA Knowledge Sessions Webinar Series
49:36
The Diamond Story
59:04
Diamond Exploration & Mining | GIA Knowledge Sessions Webinar Series
3:00:00
Nordic Fantasy: Relaxing Music With Powerful Female Vocals | Frozen Fantasy World
1:01:42