The item is a sterling silver blue and green onyx ring. The designer of the ring is John Kennedy. The ring consists of three green onyx and two blue onyx cylettes. The ring is 5.5 millimeters wide and weighs 3.5 grams. The ring is a finger size 7 and we can size it for you at no charge. Kennedy sterling cylettes US Pat 5398525 is stamped on the inside of the shank. I will provide a ring box.