9ct Yellow Gold Whitby Jet Curved Triangle Celtic Necklace. P1585. This elegant necklace features hand carved Whitby Jet that has been sourced directly from the North East Coast of Yorkshire. The highly polished Whitby Jet cabochon triangle is framed within a unique 9ct yellow gold Celtic design with the pendant being presented on a 18\" 9ct yellow gold chain. All our Whitby Jet jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform the natural Jet into these stylish pieces of jewellery. You can find other matching Whitby Jet jewellery and other Whitby Jet earrings on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Dimensions: Pendant: 22 x 14mm, Whitby Jet 11 x 11mm.