Ring Style: Bands, Stackable Rings Features: Stackable, Quick Ship Setting: Prong Stone Cut: Round Metal Color: White Stone Treatment: Heat Treated Care: Wipe Clean Stone Type: 4 Lab Created Emerald, 3 Lab Created Sapphire Authenticity: Lab Created Stone Birthstone: May 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.