Features: Quick Ship Earring Back: Friction Setting: Prong Shape: Oval Stone Cut: Oval Stone Millimeter Measurement: 7 Mm Length, 5 Mm Width Metal Color: White Earring Length: 10mm Earring Width: 8mm Stone Treatment: Dyed Care: Wipe Clean Stone Type: 28 Lab Created Sapphire, 2 Genuine Onyx Authenticity: Genuine Stone 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.