This is a power ring, a one of a kind ring of Black Jade set in sterling silver, with fine silver bezel and 18k. The ring is oxidized, so please note, the fine silver bezel can take on a golden hue from the oxidation process. do not use a polishing cloth as that can alter the patina. However, you can swish in warm sudsy water, rinse and dry. The ring size is 8 3/4 and the surface size is 1 1/2 x 1.