Modern, Platinum .50 Ct. Diamond, 3 Green Stone The setting is set with (16) round single cut diamonds graduating from 2.0-3.2 mm in diameter. The total weight of diamonds is estimated .50 carat. Quality is SI1 clarity and G color, Size 6 and weight of 6.3 grams of platinumThe green stones are man-made and a vibrant deep color commonly seen in Victorian JewelryGIA Gemologist inspected and evaluated