From the Look of Real collection. The Riviere necklace from CZ by Kenneth Jay Lane features a line of round cubic zirconia leading to a stunning rectangular statement at the center. Cubic zirconia, 15.0 tcw Rhodium-plated Box clasp with safety closure Imported SIZE Length, about 16" with extender Click here for a Guide to Jew. Center Core - W Jewelry > Saks Off 5th > Barneys Warehouse. CZ by Kenneth Jay Lane.