Brand: Tiffany & Co. Rank A Around size #18 (18 JP / US 9).5 Material PtPlatinum • Comment TIFFANY& Co (Material) Pt950 (Size) #18.5 (Ring Width) Approx. 3.0 mm (0.12 in) (Total Weight) Approx. 6.1g Introducing Tiffany & Co. Together Milgrain Band Ring. The edge of the ring has a milgrain design with a milgrain finish. The antique-like milgrain is cute. The simple design makes this a stylish band ring that can be layered! a great item. So don't miss it. *Accurate Ring size is between #18.5 and #19.