Treated Diamonds, the third book in the Gems & Gemology in Review series, is now available. 

The 300-page book is a collection of articles, lab notes, gem news entries, and conference abstracts on treated diamonds published in Gems & Gemology, the Gemological Institute of America‘s quarterly journal, from 1938 through 2007.

This book chronicles the development of color treatments—coating, irradiation and high-pressure, high-temperature annealing—as well as clarity treatments in the form of laser drilling and glass filling.

“Color- and clarity-treated diamonds are widespread in the jewelry industry, and their recognition has been a major focus of gemological research for several decades,” said Jim Shigley, GIA’s distinguished research fellow and editor of Treated Diamonds. “This new volume in the Gems & Gemology in Review series brings together important articles and short reports on all aspects of treated diamonds. The volume will be of great value to gemologists and others interested in understanding and detecting diamond treatments.”

The book also features a history of diamond treatments, overviews of each of the treatment types, commentary from industry leaders, and a full-size “Identification of Filled Diamonds” chart. A consolidated reference section and index are also provided.

“With the ever-increasing sophistication of diamond treatments, jewelers, gemologists and diamantaires must stay current with the gemological literature on identification and characterization of treated stones,” said Alice Keller, editor-in-chief of G&G. “Until now, this material was spread across dozens of issues of the journal. Treated Diamonds brings it all together into one critical reference.”

The two previous volumes in the series, Synthetic Diamonds and Colored Diamonds, are also available from G&G.

Gems & Gemology in Review: Treated Diamonds is available for purchase for $59.95 plus shipping. Buy all three books for a package price of $150 plus shipping. For more information or to order, visit www.gia.edu/gemsandgemology, e-mail gandg@gia.edu or call toll-free (800) 421-7250, ext. 7142. Outside the U.S. and Canada, call (760) 603-4000, ext. 7142.

JCK