Sterling silver, 22K gold, a fun ring, with a pretty faceted bi color tourmaline PLEASE PLAY THE MOVIE, IT WILL GIVE YOU A BETTER IDEA OF THE RING.  THIS IS ADJUSTABLE (see photo of the underside) As is, the ring is size 7-1/2,  and it can be sized up one size.  RETURNS ACCEPTED WITHING 14 DAYS OF RECEIPT.