PMR Beverly Hills Description Precious Metals Refinery specializes in buying premier gold and diamond jewelry. If you have gold, silver, jewelry, diamonds, platinum, rare coins, or luxury watches, contact us to schedule an in-home appraisal. Our buyers have been servicing the Beverly Hills area since the late 1960’s. We have been helping diamond and estate brokers for over the last 50 years. Now we are offering our services directly to the public. PMR always guarantees to provide a safe, private, and confidential environment. On average, our customers get 30%-40% more money than from our competition. Call us today to arrange an appraisal.