Sterling Silver Whitby Jet Small Oval Signet Ring. R188. Suitable for both men and women, this classic signet-style ring features a hand carved oval piece of Whitby Jet, which is inlaid into a thick band of solid sterling silver. Because the Whitby Jet is inlaid within the silver this creates a beautiful smooth finish and a brilliant shine.  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; 9mm x 6mm, Width of Band; 3mm.