About Company

The American Institute of Gemological Research, Inc. (AIGR) is an independent gemological laboratory and jewelry appraisal service based in Denver, Colorado, serving the Denver metropolitan area and the Colorado front range. With over twenty-five years of experience, AIGR specializes in providing expert jewelry appraisals, gemstone grading reports, and consulting services for insurance, estate, legal, and financial purposes. The company’s team of GIA Graduate Gemologists offers professional, unbiased evaluations and documentation of jewelry and gemstones, ensuring their qualifications are accepted by insurance companies. AIGR maintains its independence by not buying or selling jewelry, focusing solely on serving clients with accurate valuations and expert testimony when needed. The company is committed to helping clients understand the value and authenticity of their jewelry with thorough knowledge of gemology and jewelry manufacturing.

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