Earring Back: Friction Setting: Prong Stone Cut: Oval Metal Color: White Earring Length: 15mm Earring Width: 7mm Care: Wipe Clean Authenticity: Genuine Stone Birthstone: December Birthstone Earrings Style: Stud Earrings Metal: 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.