Stone: 5mm lab-created heart blue sapphire Other Stones: Lab-created round white sapphires Closure: Spring-ring Pendant Size: 20.4x26.4mm Features: Quick Ship Setting: Prong Shape: Heart Stone Cut: Heart Metal Color: White Chain Length: 18 Inch Pendant Width: 20.4mm Chain Construction: Box Care: Wipe Clean Authenticity: Lab Created Stone Birthstone: September 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.