This is a gorgeous Antique - Victorian era sterling silver Prism of Light Pendant attached to a beautiful chain. All metal is Sterling Silver. Necklace measure 18" in length. It is in excellent condition. Pendant measures about 21.9MM in length and 16.38MM wide. The center gemstone (CZ or Diamond) measures ABOUT 1.48MM in diameter and is on the brilliant clear prisimed crystal. All the link and clasps and components are sterling silver.