Ring Style: Cocktail Rings Features: Quick Ship Setting: Prong Stone Cut: Cushion Stone Millimeter Measurement: 10 Mm Width, 10 Mm Length Metal Color: Yellow Care: Wipe Clean Stone Type: 12 Lab Created Sapphire, 1 Lab Created Opal Authenticity: Lab Created Stone Birthstone: October Birthstone Metal: 10k Gold 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.