Sterling Silver Whitby Jet Diamond Shaped Necklace. n186.  This sophisticated necklace features five stunning Whitby Jet gemstones which have been sourced directly from the North East coast of Yorkshire. Each cabochon is hand carved, highly polished and set in solid sterling silver to form this exquisite design.  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: 16 inch length, Whitby Jet; 7mm x 5mm.