PLATINUM ANTIQUE DIAMOND RING: This ring contains old European round cut diamond. WEIGHT: .67 Ct. Approx. Rated VS in clarity and G in color. There are also 4 round single cut diamonds on the sides of the center cut diamond. WEIGHT: .10 Ct. Approx. Rated VS in clarity and G in color. Weight: 3.1 grams. Size: 5.75.