Jewelry Closure: Spring Ring Clasp Link Construction: Solid Setting: Prong Shape: Heart Stone Cut: Heart Metal Color: White Chain Length: 18 Inch Chain Width: 1.1 Millimeters Pendant Length: 26.7mm Pendant Width: 20mm Chain Construction: Cable Care: Wipe Clean Stone Type: 19 Lab Created Sapphire, 1 Lab Created Ruby Authenticity: Lab Created Stone Birthstone: July Birthstone Metal: Sterling Silver Necklace Type: Pendant Necklaces 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.