This is a Tiffany Harmony ring. Size: 6.5 to 7 Engraving: ©TIFFANY&Co., PT950, Serial Number, D0.23CT Purchase Date: 2015.11.25 Weight: Approximately 3.2g Accessories: Outer box, case, purchase date card, appraisal certificate, full lifetime warranty The diamond is colorless and transparent, with excellent brilliance. The grade is 0.23ct carat, Colorless (F) color, VVS-2 clarity, EXCELLENT cut, proportion, and polish, and NONE fluorescence. There are no personal engravings such as initials or dates. It has been polished for sale, so it is in beautiful condition with no particular issues. It is a genuine product purchased from an authorized dealer in Japan. The case in image 10 will be included. Material...Platinum Size...7 Accessories...Guarantee (certificate)