Sterling Silver Blue John Oval Marcasite Ring, R818 This striking classic piece contains a large oval hand carved Blue John gemstone that has been sourced directly from Castleton, Derbyshire. The stone has been placed within an exquisite oval sterling silver setting detailed with dazzling marcasite stones, giving a sophisticated sparkle to the piece. The ring is completed by a classic sterling silver band with double stranded shoulders. 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 rings on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Dimensions 27mm x 17mm, Blue John; 19mm x 10mm