Silver whitby jet marcasite shield ring r819 this femininesterling silver whitby jetand marcasite ringfeatures a circular central piece of whitby jetthat has been sourced directly from the north east coast of yorkshire the striking stone issurrounded by sparklingpieces of marcasite set into a sterling silver shield and embellishinga classic silver band all our whitby jet jewellery is designed and crafted within our very own workshops in derbyshire where a team of skilled craftsmen