DIAMONDS (2021) – Natural, Treated, and Lab-Grown PROMOTIONS An excellent book for the

An excellent book for the coffee table

Many of these names will be familiar to NAJA’s membership

Featuring the Iconic Greenland Ruby Brooch

badges made of gem materials were used to denote rank

Extra Virgin Olive Oil

DIAMONDS (2021) – Natural, Treated, and Lab-Grown PROMOTIONS An excellent book for theDefects in Natural, Treated and Synthetic Diamonds, Alan Colins, UK Optical Spectroscopy of Natural and Lab grown Diamonds by Dr. Alexander M. Zaitsev, USA Chinese Synthetic Diamonds: Current Status and Detection, Taijin Lu, at al., China Modern Color Enhancement Technologies of Natural and LG Diamonds, Dr Viktor Vins, Russia Portable Gemmological Equipment for screening and ID of LG Diamonds, Branko Deljanin, Canada Review of Principles of Advanced