18ct Yellow Gold Blue John and Diamond Tear Drop Necklace P1014. This stunning and sophisticated necklace features a highly polished tear drop shaped cabochon of rare Blue John stone that has been sourced directly from Castleton, Derbyshire. The stone is framed with an exquisite 18ct yellow gold setting and crowned by an sparkling 0.03ct diamond. The pendant hangs gracefully off a matching yellow gold chain completed by a classic bolt ring clasp 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 the natural Blue John stone into these stunning pieces of jewellery. You can find other matching Blue John jewellery and other Blue John necklaces on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.