Sterling Silver Whitby Jet One Stone Slither Signet Ring. R028. This design features a single diagonal slithers of genuine WhitbyJet running through the rectangular face of the sterling silver ring. This intricate design has a highly polished, smooth finish. 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 Whitby Jet jewellery along with matching Whitby Jet rings on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.