Material of Pendant : Quality Brass with 18K White Gold plating (Extra coating plating 0.05 mil thickness for long lasting shine Setting: Made with Swarovski Crystals Art.No 1088 XIRIUS Chaton Diameter of Crystals : (3.0mm) Number of Main Crystals: 12pcs Dimension of Pendant: Approximately 37mm x 19mm Length of Chain: 160mm , extendable to 180mm