18ct Rose Gold Jet Diamond Necklace. CMT-119. This gorgeous 18ct Rose gold necklace features carved Whitby Jet and 18ct Rose gold open cushion shaped links at intervals along the chain. The clasp is concealed as part of the design and is set with a single brilliant cut diamond of 0.03ct in weight. 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 stylish pieces of jewellery. You can find other matching Whitby Jet jewellery along with matching Whitby Jet pendants on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Chain length: 44cm