Large Akoya pearl in AAA quality set in 18K gold ring with a diamond. The pearl has extreme luster and perfect surface. The pearl is a saltwater pearl and comes from the Japanese Akoya pearl mussel, Pinctada Fucata. The bead that is cultured has a diameter of 8.9mm. The size of the ring is 50 (15.9mm). RG: 3.153g, D: 1 / 0.101ct.