18ct Yellow Gold Whitby Jet 0.32ct Diamond Small Cross Heart Ring. R970. This unique ring features a stunning heart shaped cabochon of the finest Whitby Jet stone, sourced directly from the north east coast of Yorkshire. The beautiful 18ct yellow gold frame is embellished by 19 dazzling brilliant cut diamonds. 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 Jet 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.