9ct Yellow Gold Blue John Gap Channel 8mm Wedding Band Ring, R587. This Blue John and 9ct yellow gold ring has been expertly hand cut and crafted within our workshops. This design has been inspired by our Wedding collection and is a proven popular design. The rectangular shaped Blue John segments are set channel at 1mm gaps around the gold band which is 8mm thick, this intricate design has a striking and smooth finish. 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 stores. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.