Ring Style: Halo Rings Features: Quick Ship Setting: Prong Stone Cut: Cushion Stone Millimeter Measurement: 7 Mm Width, 9 Mm Length Metal Color: White Ring Gallery Height: 3.6mm Care: Wipe Clean Stone Type: 30 Lab Created Sapphire, 1 Lab Created Opal Authenticity: Lab Created Stone Birthstone: October 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.