Features: Quick Ship Earring Back: Post Setting: Prong Shape: Round Stone Cut: Round Stone Millimeter Measurement: 8 Mm Width Metal Color: Yellow Earring Length: 8mm Earring Width: 8mm Care: Wipe Clean Authenticity: Genuine Stone Birthstone: January Birthstone Earrings Style: Stud Earrings Metal: 10k 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. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.