18ct White Gold 3.93ct Aquamarine 0.33ct Diamond Cushion Cut Ring, TVN-320. This elegant 18ct white gold ring features one large 3.93ct cushion cut Aquamarine. The beautiful precious gemstone has been elegantly framed with brilliant cut diamonds. The shoulders are also embellished with sparkling diamonds totalling 0.33ct. A perfect addition to any jewellery lovers collection. At C W Sellors, we have an expert team of gemstone and 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 Precious Gemstone collection. You can find other aquamarine and diamond pieces online and in store to complement this ring. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.