Features: Quick Ship Earring Back: Post Setting: Prong Stone Cut: Round Metal Color: White Earring Length: 5.2mm Earring Width: 5.2mm Authenticity: Genuine Stone Birthstone: December Birthstone Earrings Style: Stud Earrings Metal: Sterling Silver Country of Origin: Imported Metal may be rhodium plated to enhance appearance and reduce tarnishing. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.