Mysterious and unusual Blue Opal petrified Wood one of a kind ring, set in sterling silver with fine silver bezel and 18k gold, that has been oxidized. Please note, the fine silver bezel can take on a golden hue, from the oxidation process. Please do not use a polishing cloth as that can alter the patina. The ring size is 7 1/4. The surface size is 1 1/4 x 1 1/4. Enjoy!