Earring Back: Friction Setting: Prong Stone Cut: Oval Stone Millimeter Measurement: 7 Mm Length, 5 Mm Width Metal Color: White Earring Length: 29.2mm Earring Width: 15.4mm Care: Wipe Clean Stone Type: 38 Lab Created Sapphire, 2 Lab Created Opal Authenticity: Lab Created Stone Birthstone: October Birthstone Earrings Style: Drop Earrings Metal: 10k White Gold, 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. Photos are enlarged to show detail.