Jewelry Sets: AA Grade black Saltwater Cultured Pearl Necklace set, 16 inch Akoya necklace featured 6-6.5mm akoya cultured pearls alternated with round sterling beads. Each pearl AA rated has been hand selected for its smooth, high sheen and luster, perfect round shape. finished with a 8mm ball steling silver clasp. match with a 7.5 inch bracelets and a pairs of sterling studs earrings; Different necklace length is also available. We also supply freshwater pearl sets, shell sets and gemstone sets for your choice.