9ct yellow gold whitby jet cushion necklace p452 this simple elegant necklace is part of our heritage handmade jewellery collection and features a cushion shaped piece of fine whitby jet stone sourced locally from the whitby coastline north yorkshire the stone is framed within a 9ct yellow gold solid backed 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 designed and crafted within