Sterling Silver Whitby Jet Marcasite Marquise Necklace, P2144. This elegant necklace features a highly polished marquise shaped piece of the finest Whitby Jet stone, sourced directly from the North East coast of Yorkshire. The stone is set within the centre of a sterling silver diamond shaped pendant that has been embellished with marcasite gemstones, giving the piece a sophisticated sparkle. The pendant hangs from an 18 inch sterling silver chain complete with a classic bolt ring clasp for easy wear. All our Whitby Jet jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform natural pieces of Whitby Jet into these stylish pieces of jewellery. You can find other matching Jet jewellery to complement this necklace online and in stores.  All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Dimensions: 45mm plus 10mm bail. Whitby Jet: 16mm in length.