Sterling Silver Linked White Potato Freshwater Cultured Pearl Necklace, 16"+2" Extender A series of potato-shape pearls are strung delicately using the double-knotted-on-wire method, punctuated by .925 sterling silver. Lobster claw clasp The natural properties and process of pearl formation define the unique beauty of each pearl. The image may show slight differences in texture, color, size, and shape. Domestic