The Jeweller's Directory of Gemstones: A Complete Guide to Appraising and Using Precious Stones, from Cut and Colour to Shape and Settings

Isdp The Guide To Gemstone Settings: Styles And Techniques

Gemstones: Understanding, Identifying, Buying - Keith Wallis

Gemstone Buying Guide : How to Evaluate, Identify, Select and Care for ...

A book of precious stones; the identification of gems and gem minerals, and an account of their scientific, commercial, artistic, and historical aspects