Ring Style: Bands Features: Quick Ship Setting: Prong Stone Cut: Round Stone Millimeter Measurement: 10 Mm Length, 10 Mm Width Metal Color: White Ring Gallery Height: 7.2mm Care: Hand Wash Stone Type: 9 Lab Created Opal, 34 Lab Created Sapphire 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. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.