EFYTAL Large Solitaire Cz Necklace - Bezel Set in Sterling Silver Large Cubic Zirconia Simple Necklace Description: Simple Bezel Set Cubic Zirconium Necklace Materials: Sterling Silver, Cubic Zirconium. EFYTAL stands by the quality of our materials. Dimensions: 15.5" chain, 9 mm diameter Cubic Zirconium including setting. The chain is dainty but strong, and will not break. Efy Tal Jewelry (manufacturer) will always replace it for you if needed.