18ct White Gold 0.25ct Aquamarine Diamond Halo Necklace, FEU-2035. This breathtaking 18ct white gold pendant features a stunning 0.25ct Aquamarine gemstone at the heart which is surrounded by 0.06ct of brilliant cut diamonds, adding luxury and sparkle. The pendant is attached securely to an 18ct white gold chain. 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 precious gemstone pieces online and in store to complement this necklace. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.