CERTIFIED APPRAISALS BY

EXPERIENCED GEMOLOGISTS

ABOUT THE FOUNDER

Z. Boyadjian is the president of Gemological Services of Beverly Hills. He has over 35 years experience appraising fine jewelry from different eras like Edwardian, Art Nouveau, Art Deco, to Contemporary.  He is a Graduate Gemologist (G.G.) from Gemological Institute of America (GIA). Z has been a consultant to several Fortune 500 companies, such as Deloitte & Touche and is a well respected speaker to GIA students and alumni, and jewelry professionals.

Z’s search for rare and beautiful gemstones has taken him to the world most important gem producing areas. He has become a world-renowned international diamond and gem trader with over 35 years of experience. As one of the world’s leading sellers of fine jewelry, he is known as the go-to-guy for diamonds and colored stones, estate and rare pieces of jewelry, and investment advice. 

 

Z is a popular lecturer and has spoken widely on gemstone topics before both industry and consumer groups. He is a frequent guest lecturer at his alma mater G.I.A. and just recently was a featured speaker at the 2019 Hong Kong International Jewelry Show.

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OUR SERVICES

An investment in fine jewelry is an important event. You want to be assured that your purchase is safe. That’s why we make appraisals for insurance replacement purposes. ...
Jewelry & Diamond Appraisal
15 min
FREE ONE ITEM APPRAISAL
 
Over time, many people accumulate significant collections of jewelry that they have bought, inherited or been given as gifts. No matter how much you enjoy your jewelry, i...
Sell Your Jewelry
15 min
Consulting & Pre-Purchase Evaluation
30 min
Starts at $100/item