Jewelry Closure: Spring Ring Clasp Setting: Prong Stone Cut: Pear, Round Metal Color: White Chain Length: 18 Inch Chain Width: .7 Millimeters Pendant Length: 21mm Pendant Width: 17.5mm Chain Construction: Rope Care: Wipe Clean Stone Type: 25 Lab Created Sapphire, 1 Genuine Amethyst Authenticity: Genuine Stone Birthstone: February Birthstone Metal: Sterling Silver Necklace Type: 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.