Sterling silver whitby jet square knot necklace p2605 this unique necklace features a hand carved whitby jet stone that has been sourced directly from the north east coast of yorkshire the individual highly polished whitby jet has been framed within sterling silver with an intricate knotdesignwhich sits gracefully on an 18 inch sterling silver chain andwould be a beautifuladdition to any jewellery lovers collection all our whitby jet jewellery is designed and crafted within our very own