Star Sapphire Double Strand Baroque Japanese Saltwater Akoya Cultured Pearl Vintage Necklace -Sterling Silver 19.25 & 20 InchThis is an antique baroque saltwater akoya cultured pearl double strand necklace with a black star sapphire on the clasp. The pearls measure 5. 25 5. 50mm with great luster and light rosy overtones. Medium amount of natural blemishes. Some variation in the luster. Very slightly graduated. The clasp is solid sterling silver and is a box style with pearls and a single black star sapphire cabochon. It is stamped "SILVER" for sterling. Total length is 19.