Ring Style: Cocktail Rings Features: Quick Ship Setting: Prong Shape: Butterfly Stone Cut: Pear Stone Millimeter Measurement: 5 Mm Length Metal Color: White Ring Top Length: 18.5mm Ring Top Width: 16.5mm Care: Wipe Clean Stone Type: 8 Genuine Blue Topaz, 30 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.