The Complete Handbook for Gemstone Weight Estimation is authored by Charles Carmona, and published by Gemania Publishing,a division of Guild Laboratories Inc.
This comprehensive handbook is a thoroughly researched and tested manual to help in the estimation of the carat weights of mounted gemstones, using their dimensions and profiles, with over 300 pages of tables listed by shape and gem variety.
The 434 page resource is an essential tool for jewelry professionals of all kinds, and used daily by many, when calculating the carat weight of mounted gemstones for making offers to buy, conducting jewelry appraisals, matching stones for jewelry design and other applications.
Originally published in 1998, the Complete Handbook for Gemstone Weight Estimation is in its fifth printing to meet with sustained consumer demand. The handbook's organization and easy to use content have made it an industry standard.
This handbook is available through various online outlets. Autographed copies or volume purchases may be made directly from Guild Laboratories by Contacting Us.