Features: Quick Ship Jewelry Closure: Spring Ring Clasp Link Construction: Solid Setting: Prong Shape: Square Stone Cut: Cushion Stone Millimeter Measurement: 8 Mm Length, 8 Mm Width Metal Color: White Chain Length: 18 Inch Chain Width: 2 Millimeters Pendant Length: 33.3mm Pendant Width: 7.9mm Chain Construction: Cable Care: Wipe Clean Stone Type: 1 Genuine Blue Topaz, 1 Genuine Topaz Authenticity: Genuine Stone Birthstone: December Birthstone Metal: Sterling Silver Necklace Type: Y Necklaces 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.