Sterling Silver Whitby Jet Portrait Marquise Necklace. N968. This striking statement necklace boasts a stunning marquise shaped cabochon of the finest Whitby Jet stone, sourced directly from the north east coast of Yorkshire. The Jet is placed within a sterling silver foxtail rope chain for a beautiful, unique finish. All our Whitby Jet jewellery is designed and crafted within our very own workshops in Derbyshire where a team of skilled craftsmen transform the natural Jet into these stunning pieces of jewellery. You can find other matching Whitby Jet jewellery on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Dimensions: Whitby Jet; 34mm x 20mm.