Ring Style: Bands, Cocktail Rings Features: Nickel Free, Quick Ship Setting: Prong Stone Cut: Round Stone Millimeter Measurement: 4 Mm Width, 4 Mm Length Metal Color: White Ring Top Width: 8.1mm Band Width: 2mm Care: Wipe Clean Stone Type: 10 Genuine Blue Topaz, 24 Genuine Topaz 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.