Sterling Silver Blue John Cushion Foxtail Ring. R851. This exquisite Blue John ring is part of our popular Foxtail collection, designed and made by C W Sellors. The ring boasts a cushion piece of cabochon Blue John surrounded by an unmissable foxtail chain that circles the stone and flows down the shoulders of the band. 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 on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Dimensions: Blue John 15x15mm.