18ct White Gold Aquamarine Diamond Unique Necklace, UNIAQUA36 This 18ct yellow gold pendant features a hexagonal prism shaped aquamarine gemstone. The aquamarine is held elegantly beneath an 18ct yellow gold which is adorned with single 0.10ct brilliant cut diamond, for an added touch of luxury and sparkle. The pendant hangs elegantly from an 18ct yellow 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.