Features: Adjustable Chain, Quick Ship Jewelry Closure: Spring Ring Clasp Setting: Prong Shape: Heart Stone Cut: Heart Stone Millimeter Measurement: 6 Mm Width, 6 Mm Length Metal Color: White Chain Length: 18 Inch Pendant Length: 11mm Pendant Width: 28mm Chain Construction: Rope Care: Wipe Clean Stone Type: 30 Lab Created Sapphire, 1 Lab Created Amethyst Authenticity: Lab Created Stone Birthstone: February 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.