18K RUBY & DIAMOND BUCKLE RING: 18K yellow gold ring contains 19 round brilliant cut diamonds. WEIGHT: .33 Ct. Approx. Rated VS in clarity and G-H in color. 10 square cut rubies. WEIGHT: .40 Ct. Approx. The diamonds are prong set. the rubies are invisible channel set. Weight: 8.2 grams. Size: 6.