Features: Quick Ship Earring Back: Friction Setting: Prong Stone Cut: Round Stone Millimeter Measurement: 7 Mm Width, 10 Mm Length Metal Color: White Earring Length: 21.5mm Care: Hand Wash Stone Type: 60 Lab Created Sapphire, 16 Genuine Amethyst Authenticity: Genuine Stone Birthstone: February Birthstone Earrings Style: Hoop 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. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.