This graduated pearl necklace from the Signature Collection features 9-11 mm round black Tahitian pearls. This strand necklace is fastened with a 14-karat white gold corrugated ball clasp. Style - Necklace Pearl type - Tahitian Grade - AA Color - Black Pearl size - 9-11 mm Shape - Round Individually knotted Natural pearls Number - 41 Metal - 14k white gold Finish - High polish Chain length - 18 inches Clasp - Ball Necklace dimensions - 11 mm wide x 18 inches long All carat weights and measurements are approximate and may vary slightly from the listed dimensions. Treatment code N (black pearls). See Treatment Guide for further information. Pearl strands need to be worn for several hours before they will hang gracefully.