Need Insurance? Planning to Sell your Jewelry? A Gemological Institute of America (GIA) Graduate prepares Independent Certified Appraisals for your specific need at very reasonable prices. We are totally independent diamond appraisers. We do not buy or sell diamonds or diamond jewelry. The Salt Lake downtown US Post Office is housed in the same complex - Royal Wood Office Plaza. Call us for an appointment (801-575-2150). Visit us on the web, for more detailed information regarding our services.