Tiffany &, Co., platinum and diamond ring, claw-set with a brilliant-cut diamond weighing 3.38 carats, signed Tiffany &, Co. And numbered 29168458, size I, accompanied by Tiffany &, Co. Box. Accompanied by Tiffany &, Co. Diamond certificate number 29168458/M12290852 stating the 3.38 carat diamond is colour H, clarity VVS2.