This 18.5" long necklace is made of GORGEOUS natural blue Tahitian Pearls. The pearls vary in size from 8.5 to 10.5mm, and the colors include green and slate blues with strong peacock overtones and high luster. The pearls are round and near round in shape, mostly clean, and knotted on sky colored thread and finished with a 14K yellow gold orbit clasp. ID#KDN3179/KDJ7200