9ct yellow gold whitby jet curved triangle celtic necklacep1585 this elegant necklace features hand carved whitby jetthat has been sourced directly from the north east coast of yorkshire the highly polished whitby jet cabochon triangle is framed within a unique 9ct yellow gold celtic design with the pendant being presented on a 18 9ct yellow goldchain all our whitby jet jewellery is designed and crafted within our very own workshops in ashbourne derbyshire where a team of skilled crafts