Written by a gemologist and lecturer with broad experience who will teach you how to tell a ruby from a red glass and a good sapphire from a bad one. the first and only consumer book on the ruby and sapphire Learn more ›
SKU: 62.414
With over 100 illustrations, it's a thorough, comprehensive, easy to understand layman's course in gem and jewelry buying Learn more ›
SKU: 62.411