9ct Yellow Gold Whitby Jet Oval Signet Ring. R031. This classic ring features a stunning oval shaped cabochon of the finest Whitby Jet stone, sourced directly from the north east coast of Yorkshire. The 9ct yellow gold ring is perfect for everyday wear.  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 pendants on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Matching items are available within this collection. Dimensions: Whitby Jet: 11x5mm.