Ring Style: Promise Rings, Halo Rings Setting: Prong Stone Cut: Oval Stone Millimeter Measurement: 7 Mm Length, 5 Mm Width Metal Color: White Ring Gallery Height: 1.3mm Care: Wipe Clean Stone Type: 14 Lab Created Sapphire Authenticity: Lab Created Stone Birthstone: September Birthstone Metal: Sterling Silver 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.