Luminous one of a kind ring with rose cut Labradorite. The materials are sterling silver, rose cut Labradorite, fine silver bezel and 18k. All is oxidized. The surface size is 1 1/8 x 1. The Ring size is a size 7 1/2. 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.