Silver whitby jet marcasite cushion ringr745 this simple and stylish ring boasts a stunning squareshaped cabochon of the finest whitby jet that has been sourced directly from the north east coast of yorkshire the stone is framed by glittering marcasite stones and surrounded byan exquisite sterling silver setting that sits on a 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 turn the raw