Sterling Silver with 3mm Clear Cubic Zirconia Tennis Necklace. This classic tennis necklace features dazzling white round-cut cubic zirconia stones. Crafted of .925 sterling silver, the necklace secures with a box clasp. This necklace is available in white gold plating, 14K gold plating, or 18K rose gold plating and with clear or amethyst cubic zirconia. Chain Length 16 inch Box clasp Polished finish Imported Product Specifications 16 inches Material & Care Sterling silver Clean with a soft cloth.