Solid Sterling Silver Rhodium Plated Cubic Zirconia Halo Stud Earrings These earrings are 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. Earrings measures 8mm (0.31 in) in width, center stones measure 5mm (0.2 in). Weight of stones: 1.00ct.