Earring Back: Friction Setting: Prong Stone Cut: Oval Stone Millimeter Measurement: 5 Mm Width, 7 Mm Length 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: Sterling Silver, 10k White Gold 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.