Sterling Silver Whitby Jet Oblong Bark Effect Signet Ring. R006 This classic signet ring is set with a hand carved rectangular Whitby Jet gemstone which is inlaid into a thick band of Sterling Silver which features a textured bark effect along the shoulders of the ring. Because the Whitby Jet is inlaid within the silver, this creates 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 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: Whitby Jet; 10mm x 8mm, Width of Band; 6mm.