This is a lovely sapphire diamond 18k yellow gold ring. The ring is centered by a fabulous cushion cut sapphire that weighs approximately 3.00ct. The sapphire is accentuated by sparkling round cut diamonds that weigh approximately 0.20ct. The color of the diamonds is G with VS clarity. The top of the ring measures 10mm by 9mm. The size of the ring is 11 but it can be resized. The ring is stamped 18k and weighs 9 grams.