Solid Sterling Silver Rhodium Plated Pave Set Cubic Zirconia Disc Pendant Necklace, 16"-18" This necklace is made of solid rhodium plated sterling silver, featuring high quality cubic zirconia stones. Our cubic zirconia is bright and clear with an unmatched sparkle, so it will easily convince others it's the real thing. Necklace can adjust in length from 16 to 18 inches. Pendant measures 16mm (0.63 in) in diameter.