"No other book so clearly demonstrates visually the difference between Clarity Grades for everyone!"

Clarity Photo Examples Page

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About the Author:

 Gary A. Roskin, G.G., F.G.A.

Gemologist, author, journalist, and adjunct professor at F.I.T. in New York City, is of the world's most highly regarded authorities in the art and science of diamond grading.

Former - and quite possibly the last - ever - Gemstone Editor for JCK Magazine (1997-2009), Roskin has covered the international colored gems market, as well as gemological subjects on diamonds, and estate gemstone/jewelry market.

With over 3 decades of professional laboratory diamond grading, supervising, training, monitoring, and reporting, Roskin has provided jewelers and appraisers valuable diamond grading tips and techniques.

Gary Roskin began his career as a fourth generation retail jeweler in Marion, Indiana. He studied at the Gemological Institute of America (GIA) in Santa Monica, California, and worked there from 1977 through 1992; 6 years as Assistant to the Director of the Los Angeles GIA Gem Trade Lab, 3 years as a resident gemology instructor in both diamond grading and colored stone gem identification, and 5 years as Executive Director of the GIA Alumni Association. From 1992 through 1997, Roskin was Assistant Director of the European Gem Lab in Los Angeles. Gary Roskin is a Graduate Gemologist and Fellow of the Gemmological Association of Great Britain.  In 2002, he was nominated for the Accredited Gemologists Association Antonio Bonnanno Award for Excellence in Gemology, and in 2001 was the recipient of ISA's Media Award for his feature story entitled, "Bad Appraising Lands Good Jeweler in Court." In 2004, Roskin was awarded several Richard T. Liddicoat Journalism Awards Honorable Mentions from the American Gem Society.

2009 to Present: ROSKIN GEM NEWS REPORT