Jewelry Closure: Spring Ring Clasp Link Construction: Solid Setting: Prong Stone Cut: Oval Stone Millimeter Measurement: 4 Mm Length Metal Color: Yellow Chain Length: 18 Inch Pendant Length: 14mm Pendant Width: 9mm Chain Construction: Cable Care: Hand Wash Stone Type: 29 Lab Created Sapphire, 1 Genuine Peridot Authenticity: Genuine Stone Birthstone: August Birthstone Metal: 14k Gold Over Silver Necklace Type: Halo Necklaces, Pendant Necklaces 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