Ring Style: Cocktail Rings Features: Quick Ship Setting: Prong Stone Cut: Emerald Stone Millimeter Measurement: 12 Mm Width, 16 Mm Length Metal Color: White Ring Gallery Height: 9.5mm Ring Top Length: 16mm Ring Top Width: 21mm Stone Treatment: Color Enhanced Band Width: 2.5mm Care: Wipe Clean Stone Type: 1 Genuine Emerald, 10 Genuine Tanzanite Authenticity: Genuine 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.