"MOGOK" THE VALLEY OF
PRECIOUS STONES

Price : 100 USD
Secrets Of The Gem Trade By Richard W. Wise
Price : 100 USD
The Complete Handbook for
GEMSTONE WEIGHT ESTIMATION
By Charles I. Carmona, G.G.
Price : 60 USD
GEMSTONES
Terra Connoisseur
By Vladyslav Y. Yavorskyy
Price : 100 USD