Tiffany & Co. ring, size 7-8 (approximately 15-15.4 mm in diameter). (Rare design currently) Sterling silver 925 Beautiful Tiffany Blue storage bag (pouch), Comes with a Tiffany box case. This ring has been cleaned with alcohol and then coated with a silver keep coating to maintain the shine of the silver. It would also be nice as a pinky ring. Please ask if you have any questions.