9ct Yellow Gold Whitby Jet Curved Triangle Necklace. P320. This contemporary necklace is part of our Heritage handmade jewellery collection and features a striking Whitby Jet cabochon sourced directly from the North East coast of Yorkshire. The gemstone is set within a polished 9ct yellow gold frame. Sold complete with an 18 inch 9ct yellow gold chain which fastens with a classic bolt ring style clasp. 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 stunning pieces of jewellery. You can find other matching Whitby Jet jewellery on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Dimensions: Pendant: 20mm x 13mm including bail, Whitby Jet; 10mm x 10mm x 10mm.