9ct Yellow Gold Whitby Jet Triangle Knot Celtic Necklace. P261. 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 gemstone is framed within a unique 9ct yellow gold Celtic design with the pendant being presented on a 18\" 9ct yellow gold chain. The necklace is completed with a classic bolt ring for easy 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 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. Dimensions: Pendant 24 x 28mm, Whitby Jet 8mm in diameter.