Details: Material: 14k white solid gold Hypoallergenic and Nickel-Free Stone: AAA-grade cubic zirconia Thickness: 20G (0.8mm) Inner diameter: 5mm, 6mm, or 8mm Closing mechanism: Clicker Sold as a single earring Packing: All pieces of jewellery are packed with luxury gift packaging. Hand-Checked: All pieces are checked manually before sending out, to ensure each one is in its best state when in your hands. Size Note: Our size guide is for reference only. It is recommended to know your exact pierc