Sterling Silver Whitby Jet Framed Heart Necklace. P1554. This romantic necklace features a beautiful heart shaped cabochon of the finest Whitby Jet stone, sourced directly from the North East coast of Yorkshire. The gemstone is framed in sterling silver and highly polished for a smooth, contemporary finish. The pendant hangs gracefully from an 18 inch sterling silver chain with a classic bolt ring clasp. 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 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: 16mm x 19mm.