Features: Nickel Free, Quick Ship Earring Back: Post Setting: Prong Stone Cut: Round Stone Millimeter Measurement: 6 Mm Width Metal Color: Yellow Earring Length: 7mm Earring Width: 7mm Care: Hand Wash Stone Type: 1 Genuine Topaz Authenticity: Genuine Stone Birthstone: December Birthstone Earrings Style: Stud Earrings Metal: 14k Gold Over 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. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.