Jewelry Closure: Spring Ring Clasp Setting: Prong Stone Cut: Round Stone Millimeter Measurement: 8 Mm Length, 8 Mm Width Metal Color: White Chain Length: 18 Inch Chain Construction: Box Care: Wipe Clean Stone Type: 26 Lab Created Sapphire Authenticity: Lab Created Stone Metal: Sterling Silver Pendant & Charms Type: Pendants 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.