18ct White Gold 1.51ct Aquamarine 0.69ct Diamond Marquise Ring. FEU-1390. This elegant 18ct white gold ring features one large 1.51ct marquise cut Aquamarine. The beautiful precious gemstone sits centre stage of 0.38cts of brilliant cut diamonds. The shank is also embellished with 0.31cts of sparkling diamonds. The overall effect is dazzling. 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. Every diamond is then set within white gold, yellow gold or platinum that has been elegantly designed to please the wearer. You can find other fine jewellery to complement this ring online and in store. All articles purchased from CW Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Matching items are available within this collection.