Ring Style: Cocktail Rings Features: Nickel Free, Quick Ship Setting: Prong Stone Cut: Round Stone Millimeter Measurement: 9.75 Mm Width Metal Color: White Ring Gallery Height: 4.1mm Band Width: 3mm Care: Wipe Clean Stone Type: 20 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. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.