Jewelry Closure: Spring Ring Clasp Setting: Prong Shape: Cushion Stone Cut: Cushion Stone Millimeter Measurement: 11 Mm Length, 11 Mm Width Metal Color: White Chain Length: 18 Inch Pendant Length: 21.9mm Pendant Width: 14.5mm Chain Construction: Box Care: Wipe Clean Stone Type: 1 Genuine Blue Topaz, 40 Lab Created Sapphire Authenticity: Genuine Stone Birthstone: December Birthstone Metal: Sterling Silver Necklace Type: Halo Necklaces, Pendant Necklaces Pendant & Charms Type: Pendants Country of Origin: Imported Gemstones may be treated and may require special care. Metal may be rhodium plated to enhance appearance and reduce tarnishing. Photos are enlarged to show detail. Set with genuine gemstones from Swarovski