9ct Yellow Gold Whitby Jet Toscana Long Marquise Necklace. P1613. This striking necklace is part of our Toscana handmade jewellery collection and features a marquise shaped cabochon of fine Whitby Jet stone that has been sourced locally from the Whitby coastline, North Yorkshire. The stone is framed within a simple 9ct Yellow Gold setting. The pendant sits gracefully on an 18 inch, 9ct Yellow Gold chain which 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. Dimensions 40x12mm.