Pearl ring in gold and diamonds with pearl of AAA-Quality with fantastic luster and perfect surface. Akoya is a Japanese saltwater pearl from the pearl mussel Pinctada Fucata. The pearl that is cultured has a diameter of 6-6.5mm. The size of the ring is 52.5 (16.6mm). Gold 18K: 2.168g, D: 30 / 0.112ct.