Sterling Silver 10-11mm Black Freshwater Cultured Pearl Necklace Comes with an elegant jewelry gift box. A pearl care card is included for proper care and cleaning of your beautiful new pearl jewelry. Perfect to wear for all occasions. Unique Pearl is a small family business dedicated to making quality pearl jewelry. We have received thousands of 5 star reviews for our excellent customer service. If you ever have an order issue, we promise to make it right.