American Gem Registry, Colorado's premier gemological and appraisal laboratory

The Truth, the whole truth, and nothing but the truth.

American Gem Registry LLC

Neil T. Beaty GG (GIA) ICGA (AGS)

The American Gem Registry, LLC. is Colorado’s premier full service, gemological laboratory, and jewelry appraisal service.

We are Colorado’s only AGS Independent Certified Gemologist Appraiser and we support both buyers and sellers of diamonds, gemstones, and jewelry by supplying independent, accurate and USEFUL information.



By Appointment only!request2Appraisals, Gem Lab, Diamond Grading, Registry

For individuals, sellers, jewelers, insurance companies and attorneys for insurance, estates, taxes and other purposes. While you wait and while you watch service.

Diamond Grading

Diamond grading while you wait, including cut evaluations. All grading to GIA and AGS standards by Colorado’s only Independent Certified Gemologist Appraiser.

Gem Lab

Grading done on-site by a GIA Graduate Gemologist. Our private and secure lab is equipped with the finest tools available including the Saran Diamension, ASET, Idealscope, AGS and GIA certified master diamonds and computerized raytracing.


Preserve your documentation in our registry. Make it public as a powerful marketing tool, or keep it private and share with only who you want and when you want.