CZ by Kenneth Jay Lane"Look-of-Real" Rhodium-Plated Cubic Zirconia Hoop Earrings, 6 CTTW The Cubic Zirconia used in this collection is meticulously hand cut and hand set Cubic Zirconia (CZ) does not have internal flaws; it sparkles with perfection Our quality Cubic Zirconia jewelry sparkles "like a diamond in the sky" Imported