Stones: Simulated blue topaz Other Stones: Cubic zirconia Dimensions: 8.5x8.5mm long Features: Quick Ship Earring Back: Post Stone Cut: Round Metal Color: White Care: Wipe Clean Authenticity: Simulated Stone Earrings Style: Stud 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.