9ct Yellow Gold Whitby Jet Blue John Mother of Pearl Swivel Necklace, P106_9. Hand crafted in our workshop by our highly skilled jewellers. This elegant triple sided fob necklace is part of our Heritage handmade jewellery collection and features a locally sourced Whitby Jet gemstone, Derbyshire Blue John and Mother of Pearl. The precious stones are set into a 9ct yellow gold hinged pendant, which allows them to interchange with the movement of the wearer. A  fancy crown shaped bail secures the moving piece. The pendant is supplied complete with a 9ct yellow gold 18 inch chain. All our jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform the natural gemstones stone into these stunning pieces of jewellery. You can find other matching Whitby Jet, Blue John and Mother of Pearl jewellery on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Dimensions: 36mm x 21mm, Whitby Jet, Blue John and Mother of Pearl stones; 12mm x 9mm.