Ring Style: Cocktail Rings, Crossover Rings, Side Stone Rings Features: Quick Ship Setting: Prong Stone Cut: Oval Metal Color: White Ring Gallery Height: 5.1mm Ring Top Width: 2.4mm Care: Wipe Clean Stone Type: 12 Lab Created Sapphire, 3 Lab Created Opal Authenticity: Lab Created Stone Birthstone: October Birthstone Metal: Sterling Silver Country of Origin: Imported Ring cannot be sized. 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.