Stones: Lab-created white opals Features: Quick Ship Earring Back: Lever Back Stone Cut: Round Metal Color: White Earring Length: 21mm Earring Width: 6.2mm Care: Wipe Clean Authenticity: Lab Created Stone Birthstone: October 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.