Whitby jet necklace heritage diamond 9ct yellow gold p390 this simple and sophisticated necklace is part of our heritage handmade jewellery collection and boasts a diamond shaped piece of fine whitby jet stone that has been sourced locally from the whitby coastline north yorkshire the stone is framed within an exquisite 9ct yellow gold setting the pendant sits gracefully on a 9ct yellow gold chain that is completed by a classic bolt ring clasp for easy wear all our whitby jet jewellery is