A complete reference for goldsmiths, collectors, and jewelry makers, this beautiful book is a comprehensive guide to identifying, buying, using, and caring for a dazzling array of jewels and gems.

• 本书对金匠，收藏家和珠宝制造厂来说是本完美的参考书，是关于一系列珠宝的鉴定，购买，使用和保养的综合指南。