Jem Estate Jewelry is located in the Key West Executive Center at the southeast corner of Alt. 19 and Alderman. They have been at this location for over 23 years. They specialize in one of a kind estate jewelry, diamonds, and close-out pieces at great prices. Jem Jewelers offers free verbal appraisals on all types of jewelry, old or new. They buy gold, diamonds and jewelry and pride themselves on paying the best prices in the area for your unwanted treasures.