Setting: Prong Stone Cut: Cushion Stone Millimeter Measurement: 7 Mm Width, 9 Mm Length Metal Color: White Chain Length: 18 Inch Pendant Length: 18mm Pendant Width: 10mm Chain Construction: Box Care: Wipe Clean Stone Type: 25 Lab Created Sapphire Authenticity: Lab Created Stone Birthstone: September Birthstone Metal: Sterling Silver Necklace Type: Pendant Necklaces, Halo 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.