This is a Susan Mahlstedt (R/M studio) Sand Dollar Ring -Hand made ,Oxidized sterling silver, 18K gold and diamond (.015 TCW) Sand Dollar ring, size 5 1/2, the top of the ring 18mm wide(across) .The ring is in very good pre-owned condition: no signs of wear from the outside , especially due to the ribbed design of the band, scratches do not occur or show. Inside the band (inner part of the band) oxidation is coming off ,can't see it when the ring is on finger and even if not on finger, does not take away form the design at all.So unusual and absolutely gorgeous ! No original box or paperwork , ring is fully hallmarked, no longer available anyplace ! If you like one of a kind, artsy, conversation piece, this ring is for you!