Quantifying Diamond Fluorescence and Its Visual Impact | GIA Knowledge Sessions Webinar Series
1:42:51
APHT and HPHT treatments of natural and of Laboratory-grown Diamonds - Dusan Simic
25:36
A Consumer's Guide to Understanding Diamond Fluorescence
1:00:09
第40回 GIA Tokyo GemFest のご案内真珠の構造色について
51:31
Gem-A Live: Introduction to Diamonds
5:42
Diamond Fluorescence: A Consumer's Guide
24:52
The Most Useful Thing AI Has Done
30:51
❌Eu passei pela passagem secreta para a sala do tesouro❌ [Grande Descoberta]
5:43