Genuine Tahitian Black Pearl Necklace Sterling Silver Necklace, Stamped 925 Silver Tahitian Pearl Diameter: 10 mm Necklace Length: Adjustable 14" - 18" This necklace arrives in a beautiful gift box. Model #: N9508 Pearls Since ancient times, Hawaiians believed pearls are a symbol of wisdom, peace and purity. Every pearl is unique. Pearls, like people come in every shape and size. The pearls capture the beauty of the wearer through its natural color and brilliant luster.