From the goldsmiths wedding ring collection this traditional court standard wedding ring has a band width of 4mm the ring is available in 9 or 18 carat white gold yellow gold and rose gold platinum 950 palladium or sterling silver with a range of band widths4mm traditional court standard wedding ring in 9 carat white gold5 the ring is available in 9 or 18 carat white gold yellow gold and rose gold platinum 950 palladium or sterling silver with a range of band widths