Whitby Jet Necklace Heritage Diamond 9ct Yellow Gold Small. P454. 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 designed and crafted within our very own workshops in Derbyshire where a team of skilled craftsmen turn the raw Jet into these stunning pieces of jewellery. You can find other matching Whitby Jet jewellery and other Whitby Jet necklaces online and instore. Whitby Jet and 9ct Yellow Gold pendant, dimensions 15 x 17mm, complete with an oval link 18" 9ct Yellow Gold chain (30005709).