Ruby, Sapphire and Emerald Buying Guide: How to Identify, Evaluate and Select These Gems (Newman Gem and Jewelry)

This guide helps buyers to evaluate these spectacular gems and it updates professionals on new treatments and sources of corundum and emerald. Using close-up photographs, the book shows how to make visual judgements about clarity, transparency, cut quality and brilliance. In addition, it helps you to understand lab reports and find appraisers and labs. You will also get tips on detect More »