Ring Style: Bypass Rings, Cocktail Rings Features: Quick Ship Setting: Prong Stone Cut: Oval Stone Millimeter Measurement: 4 Mm Width, 6 Mm Length Metal Color: White Ring Gallery Height: 3.5mm Ring Top Length: 18.5mm Ring Top Width: 23.5mm Band Width: 3mm Care: Wipe Clean Stone Type: 11 Genuine Blue Topaz, 70 Lab Created Sapphire Authenticity: Genuine Stone Birthstone: December 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.