18ct White Gold 4mm 0.57ct Diamond Wedding Ring. CGN-705. This stunning ring is set with 0.57cts of brilliant cut white diamonds. The band is exquisitely crafted from 18ct white gold in a wide court shape for comfort and durability, making this the perfect wedding or full eternity ring. At C W Sellors, we have an expert team of diamond specialists who handpick and grade each jewel to meet our high standards and a team of talented in house designers who combine their talents to bring you our exclusive Diamond collection. Chosen for their rare white quality, each diamond we use has a minimum clarity of VS and minimum colour of G-H. You can find other diamond rings and wedding bands to complement this ring online and in store. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.