Jewelry Closure: Spring Ring Clasp Link Construction: Solid Setting: Prong Shape: Heart Stone Cut: Round Metal Color: White Chain Length: 18 Inch Chain Width: 1.05 Millimeters Pendant Length: 15.1mm Pendant Width: 15.1mm Chain Construction: Rope Care: Wipe Clean Stone Type: 80 Genuine Topaz Authenticity: Genuine Stone Birthstone: December Birthstone Metal: Sterling Silver Necklace Type: Pendant Necklaces, 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. Photos are enlarged to show detail.