About Us

Who we are


GemAssure Gemological Appraisals (GGA) is an independent gemological laboratory located in the heart of the Jewelry Center in Downtown, Los Angeles. We at GGA adhere and grade all Appraisals according to the GIA Grading Standards and are a USPAP (Uniform Standards of Professional Appraisal Practice) Compliant Laboratory. We specialize in Appraising Fine Jewelry of all Kinds and Ranges, Loose and Mounted Diamonds, Stone Identification, Color Stone Analysis Reports, Watch Verification and Value Reports, Fine Pearl Evaluation and Appraisal Reports. We operate using the most updated gemological technologies and equipment, and have a highly skilled Gemological Institute of America (GIA G.G) Gemologist who attains the credible degrees of GIA G.G (Graduate Gemologist), GIA Diamonds Graduate, GIA Colored Stones Graduate, GIA A.J.P (Accredited Jewelry Professional) and GIA Pearls Graduate, on staff grading and providing the most accurate and unbiased professional jewelry appraisals in the market. We also are members of the GIA Alumni Association.

At GGA, all Gemological Grading and Appraising is done while you watch in the comfort of our secure and relaxing office. During the process you observe the Beauty of Gemology and are able to interact with our gemologist by asking questions about your item and the tests being administered. Our objective is to make this a pleasurable experience full of education and knowledge and presenting you with a “True Introduction” to your jewelry item.

All Gemological Appraisals and Services are done comprehensively and are explained with specific detail and classifications while keeping professionalism and precision always in mind. Our mission and Goal is to create a “Perfect Jewelry World” with Full Disclosure, making the unknown solved and the jewelry shopping experience an identifiable and assured purchase.

We constantly maintain a Daily (Real Time) Upgraded Database of Worldwide pricing for all Types of Diamonds and Gemstones based on price expert trade valuations, actual national and international market sale pricing, and comparison averages. By doing so, we give the most precise and up to date market pricing and valuations.

Our fundamental philosophy and strive is to ensure that all of our clients are completely satisfied and confident with their items appraised and that they received the complete knowledge and informative disclosure. If there is anything we can do to make your experience even better, Feel free to give us a call or shoot us an email and we will be glad to hear and service you.

Click here to download our brochure