Features: Nickel Free, Quick Ship Earring Back: Friction Setting: Prong Shape: Linear Stone Cut: Multi-Shape Metal Color: White Earring Length: 46.6mm Earring Width: 7.3mm Stone Treatment: Color Enhanced Care: Wipe Clean Stone Type: 6 Lab Created Sapphire, 16 Genuine Blue Topaz Authenticity: Lab Created Stone Birthstone: September Birthstone Earrings Style: Drop Earrings Metal: Sterling Silver 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.