Metal: Platinum Marked/Tested: TIFFANY & CO, PT950, 22424181 Gemstones/Diamonds: Round brilliant cut Diamond - 1.50ct (7.31-7.35x4.56mm) Cut, polish, symmetry all excellent (see photos for full certificate information) Round brilliant cut diamond - 0.75ct (5.87-5.94x3.61mm) Round brilliant cut diamond - 0.75ct (5.88-5.90x3.60mm) Clarity: VVS2 Color: G Measurements: Ring size 4.5 (this ring is sizable, we recommend Tiffany & Co), shank 2.4mm thick (1 inch= 25mm) Weight: 7.5g