Earring Back: Friction Setting: Prong Shape: Oval Stone Cut: Oval Stone Millimeter Measurement: 6 Mm Width, 6 Mm Length Metal Color: White Earring Length: 25.2mm Earring Width: 13.1mm Care: Wipe Clean Stone Type: 2 Lab Created Opal, 46 Lab Created Sapphire 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.