Features: Quick Ship Earring Back: Lever Back Setting: Prong Stone Cut: Marquise Stone Millimeter Measurement: 2 Mm Width, 4 Mm Length Metal Color: Yellow Earring Length: 36.6mm Earring Width: 7.4mm Care: Wipe Clean Stone Type: 14 Genuine Blue Topaz, 14 Lab Created Opal, 2 Lab Created Sapphire Authenticity: Lab Created Stone Birthstone: October Birthstone Earrings Type: Wire Earrings Earrings Style: Hoop Earrings, Drop Earrings Metal: 18k Gold Over 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.