Melee Diamond Analysis | GIA Knowledge Sessions Webinar Series
58:21
Untold Stories from GIA Field Gemology Expeditions (Part II) | GIA Knowledge Sessions Webinar Series
51:15
Natural Yellow & Orange Diamonds | GIA Knowledge Sessions Webinar Series
42:59
The analytical challenges in testing melee-sized diamonds and coloured stones
10:49
4 Ways to Identify a Natural Diamond vs. Lab-Grown Diamond vs. Lab-Created Moissanite
1:02:05
Where Do Yellow Type Ib Diamonds Form in Nature? | GIA Knowledge Sessions Webinar Series
8:54
Germany’s Far-Right Comeback | NYT Opinion
57:24
Diamond Color Treatment and Its Identification | GIA Knowledge Sessions Webinar Series
25:36