Sterling Silver Whitby Jet and Marcasite Sphere Cage Necklace. P2255. This exquisite necklace features the finest Whitby Jet stone, sourced directly from the north east coast of Yorkshire. The stone is encased by a stunning sterling silver cage embellished by dazzling marcasite stones, bringing an elegant sparkle to the piece. The pendant hangs gracefully from a delicate sterling silver 18 inch 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 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 and other Whitby Jet necklaces on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.