Features: Nickel Free, Quick Ship Jewelry Closure: Spring Ring Clasp Link Construction: Solid Setting: Inlay Shape: Oval Stone Cut: Fancy Stone Millimeter Measurement: 16 Mm Length, 12 Mm Width Metal Color: Yellow Chain Length: 18 Inch Chain Width: 1.2 Millimeters Extender Length: 2 Inch Pendant Length: 25mm Pendant Width: 14.1mm Chain Construction: Cable Care: Wipe Clean Stone Type: 1 Genuine Jade Authenticity: Genuine Stone Metal: 18k 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.