Features: Quick Ship Jewelry Closure: Spring Ring Clasp Setting: Prong Shape: Cross Stone Cut: Oval Stone Millimeter Measurement: 5 Mm Length, 3 Mm Width Metal Color: White Chain Length: 18 Inch Chain Width: .65 Millimeters Pendant Length: 27mm Pendant Width: 20mm Chain Construction: Box Care: Wipe Clean Stone Type: 20 Lab Created Sapphire Authenticity: Lab Created Stone Birthstone: December Birthstone 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.