Book of Donmon Teith

Since early 1989, a gem dealer I've known for years has been calling me every few weeks to brief me on mounting mayhem in Colombia's lucrative emerald market. T

This book gives you all the information you need to buy, collect, sell or simply enjoy sapphires, emeralds, rubies and other coloured gemstones with confidence

The perfect pocket-sized companion for those travelling and thinking about purchasing jewellery or stones. Renee Newman, author of the highly respected gem and

Over 400,000 Copies in Print Know What You Want, Know What You’re Buying, Learn the Secrets to Get the Most for Your Money Easy to Read Easy to Understand Pra

This comprehensive guide, from gemstone expert and best-selling author Antoinette Matlins, is all you need to help you buy, collect, sell, care for--or simply e