Features: Quick Ship Earring Back: Friction Setting: Prong Stone Cut: Oval Stone Millimeter Measurement: 6 Mm Width, 8 Mm Length Metal Color: White Earring Length: 11.5mm Earring Width: 9mm Care: Wipe Clean Stone Type: 36 Lab Created Sapphire, 2 Lab Created Opal Authenticity: Lab Created Stone Birthstone: October Birthstone 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.