18ct yellow gold whitby jet 037ct diamond large cross heart necklace p1906c this elegant necklace is part of our cross heart collection it features a large hand carved heart shaped whitby jet stone that has been sourced directly from the north east coast of yorkshire the individual highly polished whitby jethas been framed within a 18ct yellow gold 037ct diamond mount that embraces the gemstonein a cross design itsits gracefully on a 18 18ct yellow goldchain completed by a classic bo