One of a kind ring with the exotic green of Malachite. The materials are oxidized sterling silver, Malachite, fine silver bezel, 18k. The surface size is 1 3/8″ x 3/4″. The ring size is 7.25. Please note the fine silver bezel can take on a golden glow from the oxidation process. For care, please do not use a polishing cloth as that can alter the patina. You can swish in warm sudsy water, rinse and dry.