American Institute of Gemological Research, Inc.

independent jewelry appraisers serving the Denver metro area

Schedule an appraisal:     303-420-2369  •  888-420-2369  •

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Welcometo AIGR  

Do you want to know how much your jewelry is worth before you sell it?

Have you bought gems or jewelry online and need expert verification that you bought what was advertised?

Did you inherit jewelry and need to know its value?

Have you purchased an item from an unfamiliar jeweler or pawn shop?

Are you a jeweler who needs certificates for your gemstones?

AIGR's gemologists are experts in the field of gemology with in-depth knowledge of jewelry manufacture and pricing, and we can provide you with peace of mind about your jewelry and gemstones and can document their value.

The American Institute of Gemological Research (AIGR), Inc., is an independent gem lab serving the Denver metropolitan area and Colorado front range. Our experienced appraisers will evaluate your jewelry in our laboratory and provide printed appraisals. (Please see the samples on the Jewelry Appraisals page.) Graduate gemologists certified by the Gemological Institute of America perform appraisals, and we guarantee their acceptance by your insurance company.

We are here to help.

Please call us at 303-420-2369 or 888-420-2369 or e-mail us at to schedule an appointment at one of our locations. We have appointments available Tuesday through Friday.

AIGR has served clients from states shown in red.

© 2019 AIGR, Inc. Last update: December 13, 2019