Ring Style: Cocktail Rings Features: Quick Ship Setting: Prong Stone Cut: Round Stone Millimeter Measurement: 3 Mm Length, 3 Mm Width Metal Color: White Band Width: Care: Wipe Clean Stone Type: 19 Lab Created Sapphire, 11 Lab Created Emerald 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.