Sterling Silver Blue John Medium Cross Heart Necklace, P1543. This elegant necklace is part of our Cross Heart collection. It features a large sized hand carved heart shaped Blue John stone, that has been sourced directly from the Derbyshire Blue John Cavern in Castleton. The individual highly polished Blue John has been framed within a sterling silver mount that embraces the gemstone in a cross design. It sits gracefully on a 18\" sterling silver 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 stylish 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: 21mm x 22mm