Authentic Tiffany & Co. 1.45ct Diamond Engagement Ring 1.45ct Round Brilliant Cut Diamond (Same look as 1.50ct at a HUGE savings) Color: G Clarity: VS1 Cut: Excellent Polish: Excellent Symmetry: Excellent Fluorescence: None Measurements: 7.23 - 7.26 x 4.52mm The Crown Is Laser Inscribed: T&Co. O03120082 Please see the picture above for the copy of the Tiffany Diamond Certificate. The diamond is set in an authentic Tiffany & Co. platinum 6 prong solitaire setting. The ring is currently a size 4.25 and can be re-sized free of charge. This ring comes with the original Tiffany & Co. inner and outer box as well as the original Tiffany & Co. diamond certificate.