Earring Back: Friction Setting: Prong Stone Cut: Oval Stone Millimeter Measurement: 3 Mm Width Metal Color: Rose Earring Length: 11.4mm Earring Width: 9.1mm Care: Wipe Clean Stone Type: 2 Genuine Opal, 24 Natural Diamond Authenticity: Genuine Stone Birthstone: October Birthstone Earrings Style: Stud Earrings Metal: 10k Rose 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.