Definitely makes one want to go diving in the sea, looking from the shore towards the waters edge. This one of a kind ring is made with Blue Opal Petrified Wood set in sterling silver, fine silver bezel, and 18k. The ring is oxidized. The surface size is 1 3/4 x 1. The Ring size is a 8. 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.