18ct Yellow Gold Blue John Cushion Necklace, PUNQ0003878. This contemporary cushion shaped pendant is part of our handcrafted Heritage jewellery range and features a Blue John gemstone which is hand carved and polished to perfection. Presented on an 18 inch 18ct yellow gold chain which threads through the back of the open setting. Perfect for every occasion. All our Blue John jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform natural pieces of Blue John into these stylish pieces of jewellery. You can find other matching Blue John jewellery on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.