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
53:03
Quantifying Diamond Fluorescence and Its Visual Impact | GIA Knowledge Sessions Webinar Series
45:43
The Unique Story of Natural Diamond | GIA Knowledge Sessions Webinar Series
1:10:05
Diamond Ages: Are Diamonds Forever? | GIA Knowledge Sessions Webinar Series
18:37
Can You Really Tell If a Diamond is REAL or FAKE?
1:04:18
Geology 102: Natural Processes that Form Colored Gemstones | GIA Knowledge Sessions Webinar Series
57:16