Patina Estate & Fine Jewelry is a jewelry store that specializes in antique and estate jewelry. It has been in business since 1985. The store purchases. showcases and sells a wide range of jewelry items. Many historical periods of jewelry design are represented, with a special emphasis on platinum and diamond engagement rings from the Edwardian and Art Deco eras. Patina also provides expert GIA-trained appraisal services and purchases estate and antique jewelry. It is a member of the American Gem Society.