Tiffany & Co.'s Curved Band Ring designed by Elsa Peretti.comfortable to wear. And the platinum diamonds add a gorgeous touch to your fingertips. Brand Tiffany & Co. Curved Band Ring Material Engraving Platinum Diamond (Engraved PT950) Size Size: US: 4 International: No. 8 (8 JP / US 4.5) Maximum width 2.5 mm (0.10 in) Thickness 1.8 mm (0.07 in) 3.0 G Accessories Item details It has been polished and is in good condition.