9ct yellow gold whitby jet marquise celtic ringr462 this elegant ring features a marquise shaped cabochon of hand carved whitby jetwhich has been sourced directly from the north east coast of yorkshire the highly polished whitby jet is framed by a unique celtic style band of 9ct yellow gold 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