Welcome To Our Site - We're glad you found us! It is our pleasure to provide you with peace of mind regarding your jewelry. Please take a few minutes to review our website and feel free to call us with any questions. American Institute of Gemological Research, Inc is an independent gem lab serving the greater Denver Colorado metropolitan area. Our experienced appraisers will evaluate your jewelry in our laboratory while you watch and wait, and you will leave with the printed appraisal in your hand. ( Please see the Sample under "Appraisals." ) Our appraisals are performed by Graduate Gemologists ( GG ) certified by the Gemological Institute of America ( GIA ), and we guarantee their acceptance by your insurance company. Are you buying a diamond online through the internet and need expert support to verify that you bought what you think you bought? We can help you make an informed decision regarding keeping the piece before your time runs out to return it. Did you inherit jewelry that you need to know what it's worth? Or perhaps you have purchased an item from an unfamiliar jeweler or pawn shop. We are here to help ; please call ( 303 ) 420-2369 for an appointment. We look forward to meeting you. We love our work and are experts in the field of gemology with an in-depth knowledge of jewelry manufacture and pricing. Please look at our other pages and then come see us. We have an office just south of downtown, or you can frequently find us at your local jeweler. Just be sure to ask for an A.I.G.R. report or you may get something completely different. ( Please see the map below. )