The Tellers of Secrets [Gemologist Interview]
9:35
WTF Does Fake Mean?
57:21
A Gemstone’s Journey through the GIA Laboratory | GIA Knowledge Sessions Webinar Series
9:51
The Truth Behind Bling
12:22
What is this Mystery Stone?
24:52
The Most Useful Thing AI Has Ever Done
22:02
No estás aprovechando tu poder oculto: Descubre cómo usar tu energía
17:31
Faceting Another Massive Quartz Over 1000 Carats in a Square Cut!
28:25