Features: Quick Ship Jewelry Closure: Spring Ring Clasp Setting: Prong Stone Cut: Oval Stone Millimeter Measurement: 9 Mm Length, 7 Mm Width Metal Color: White Chain Length: 18 Inch Pendant Length: 16.8mm Pendant Width: 7mm Chain Construction: Rope Care: Wipe Clean Stone Type: 1 Genuine Onyx, 12 Lab Created Sapphire Authenticity: Genuine Stone Metal: Sterling Silver Necklace Type: Pendant 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.