Luscious shades of blues, look up and see the sky, the clouds, the night. The materials are sterling silver, fine silver bezels, 18k, lapis lazuli, boulder opal. The process is all metal is hand sawn, soldered, textured, stones set, polished and oxidized. 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. The surface size is 1 1/4″ x 1 1/4″. The ring size is 8.