14k Yellow Gold Pink Freshwater Cultured Pearl "Tin-Cup" Necklace, 18" Gemstone treatments are stable No Ultrasound. Wash using warm soapy water. The natural properties and composition of mined gemstones define the unique beauty of each piece. The image may show slight differences to the actual stone in color and texture The natural properties and composition of mined gemstones define the unique beauty of each piece. The image may show slight differences to the actual stone in color and texture