Real colombian emerald gemstone guide
27:07
Real Ethiopian Opal gemstone guide
1:01:02
DAY 2 at the gem and jewelry show in Bangkok Thailand
53:20
Fabriquer de l’or violet
12:34
Traxnyc Gemstone Price Fraud Scam in Detail explained exposed
55:46
Luxury Jewelry Network (NEW)
1:21:09
THE FILM !!! "MOGOK : THE LEGENDARY VALLEY OF RUBIES AND THE KING OF MOGOK CRYSTAL"
57:00
Day 1 PART 2 Hong Kong gemstone show | meeting GRS founder Dr. Peretti
26:26