Features: Quick Ship Earring Back: Hinged Setting: Prong Stone Cut: Round Metal Color: White Earring Length: 20mm Earring Width: 20mm Base Material: 100% Silver Care: Wipe Clean Stone Type: 10 Genuine Blue Topaz, 46 Lab Created Sapphire Authenticity: Genuine Stone Birthstone: December Birthstone Earrings Style: Hoop 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.