Sterling Silver Blue John Round Classic Large Necklace, P1800. This statement necklace features a stunning circular shaped cabochon of the finest Blue John stone, sourced directly Castleton, Derbyshire. The beautiful sterling silver pendant hangs gracefully from a fluid 18 inch sterling silver chain complete with 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 natural pieces of Blue John 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: 30mm x 30mm with an additional 8mm bail, Blue John; 27mm x 27mm