Features: Nickel Free, Quick Ship Earring Back: Post Setting: Prong Stone Cut: Round Stone Millimeter Measurement: 5.93 Mm Width Metal Color: White Earring Length: 9.4mm Earring Width: 9.4mm Care: Wipe Clean Stone Type: 2 Lab Created Ruby, 30 Lab Created Sapphire Authenticity: Lab Created Stone Birthstone: July Birthstone Earrings Style: Stud Earrings Metal: 10k White 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.