Metal: 9ct Gold <-- Split -->Diameter: 15.4mm Width: 2.1mm Width is of diamond side <-- Slit --> Hallmarking Guide: Gold less than 1g not stamped. More than 1g stamped. FREE UK Shipping*: 5 - 6 days Royal Mail 24 or Special Delivery. Returns: Faulty items can be returned within 7 days. Click for more information.