Tiffany & Co. Grace Diamond Platinum Ring. The diamond is 0.30 carats. Ring size is a standard Japanese size 9. Comes with a diamond report (certificate). It has a solid presence, yet is a diamond volume that can be worn daily. Newly polished. You can enjoy the pure, beautiful sparkle of the diamond and the lustrous platinum. The diamond has been cleaned, and the jewelry has been cleaned, so you can wear it comfortably upon arrival. The center square-shaped diamond has an elegant design. Diamond pave on both sides beautifully accentuates the diamond. The ring has the official Tiffany & Co. engraving, so you can be assured of its authenticity. Tiffany & Co. Grace Diamond Platinum Ring Diamond Platinum 950 Center Diamond: 0.30 carats, I color, VVS1 clarity Square Shape Modified Brilliant Cut Ring Size: Japanese size 9 Total weight: Approximately 3.0g Accessories: Tiffany & Co. Diamond Grading Report (certificate) Purchased at a brand auction Reference 5399 Size: 9 Material: Platinum Accessories: Certificate