Sterling silver whitby jet marquise celtic ring r463 this elegant ring features a marquise cabochon hand carved whitby jetwhich has beensourced directly from the north east coast of yorkshire the highly polished whitby jet is framed by a unique celtic style band of sterling silver all our whitby jet jewellery is designed and crafted within our very own workshops in ashbourne derbyshire where a team of skilled craftsmen turn the raw jet into these stylish pieces of jewellery you can find