PLATINUM DECO MIKIMOTO PEARL NECKLACE: A 16'' strand necklace of 4.50-5.00 mm Mikimoto cultured pearls. Grade ''A '' quality with sterling silver clasp. Signed: Mikimoto. Pendant is a platinum Art Deco clasp with 30 round full cut diamonds totaling approx. 1.00 Ct. Rated VS-SI in clarity t and H-I in...