C W Sellors 9ct Yellow Gold Whitby Jet Ribbed Small Oval Necklace, P243. This oval Whitby Jet and 9ct yellow gold pendant is hand polished smoothly so that this entire piece has a mirror shine. In Medieval times, Whitby Jet was used as small mirrors before man invented the silvering process which is used in making mirrors today. The Whitby Jet gemstone is set into the precious metal with a slight rib running around the edge of the piece. This piece is supplied on an 18 inch yellow gold chain. Dimensions:  8mm x 6mm. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Matching items are available within this collection.