This is a Cartier Ballerine Solitaire ring. Size: #50 (Japanese size 10) Ring width: Approximately 2.0mm Engravings: Cartier, Pt950, 50, serial number, 0.48 Weight: Approximately 4.0g Accessories: Outer box, case, GIA certificate The diamond is colorless and transparent, with excellent brilliance. The grade is 0.48ct carat, F color, VVS-2 clarity, Very Good cut, polish, and symmetry, and None fluorescence. There are no personal engravings such as initials or dates. There are some minor scratches on the metal. This is a genuine item purchased from an authorized retailer in Japan. The case shown in image 10 will be included. Material...Platinum Ring Size...Japanese size 10 Material...Platinum Accessories...Guarantee (certificate)