The American Gem Registry was founded in 2001 to provide appraisal, grading, gemological and expert witness services in Denver Colorado.  We maintain a full time office with 24 hour security as well as a operate a mobile service throughout the state and worldwide.  We’re equipped with the finest tools available in the industry and the lab is certified by both the American Gem Society and the Accredited Gemologists Association.  We are available by appointment only and most work can be done while you wait and while you watch.

All stones are graded on-site by a GIA Graduate Gemologist and our private and secure gem lab is equipped with the finest tools available including the Saran Diamension cut measuring system, ASET, Idealscope, AGS and GIA certified master diamonds, raytracing technology, and photomicrography. Work can usually be done while you wait, and while you watch. With our mobile lab, we can come to you and we are happy to work in cooperation with banks, accountants, attorneys and private individuals worldwide.

We are proud to be the only Rocky Mountain location for Gemprint International, the only court proven system for tracking individual diamonds.

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