Mysterious one of a kind ring, look into the depths from something from the sea. The materials are sterling silver, fine silver bezel, 18k, fossilized coral. The process is all metal is hand sawn, soldered, textured, stone set, polished and oxidized. Please note, the fine silver bezel can take on a golden hue 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. The surface size is 2″ x 1 1/8″.