9ct Yellow Gold Blue John Slim Four Stone Drop Earrings, E555. These stunning drop earrings feature a wave design created by cabochons of Blue John stone that have been directly sourced from Castleton, Derbyshire. The stone is placed within delicate 9ct yellow gold oblong drop settings which are completed by classic post and butterfly fastenings for easy wear. 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 stunning pieces of jewellery. You can find other matching Blue John jewellery on our website and in store. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.