Features: Nickel Free, Quick Ship Earring Back: Friction Setting: Prong Shape: Round Stone Cut: Round Stone Millimeter Measurement: 8 Mm Width Metal Color: White Earring Length: 8mm Earring Width: 8mm Care: Wipe Clean Stone Type: 20 Lab Created Sapphire Authenticity: Lab Created 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. Photos are enlarged to show detail.