Sterling Silver Whitby Jet Large Cushion Signet Ring, R180. This statement ring features a stunning cushion shaped cabochon of the finest Whitby Jet stone, sourced directly from the North East coast of Yorkshire. The Jet is inlaid into a thick band of sterling silver creating a beautiful 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 on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Dimensions: Whitby Jet; 13mm x 11mm, width of band; 4mm