Features: Quick Ship Jewelry Closure: Spring Ring Clasp Setting: Prong Stone Cut: Marquise Stone Millimeter Measurement: 3.5 Mm Width, 7 Mm Length Metal Color: Yellow Chain Length: 18 Inch Pendant Length: 17mm Pendant Width: 10.5mm Chain Construction: Rope Care: Wipe Clean Stone Type: 27 Lab Created Sapphire Authenticity: Lab Created Stone Birthstone: September Birthstone Metal: 14k Gold Over 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.