Sterling Silver Blue John Marcasite Heart Shaped Ring. R432. The perfect gift for a loved one. A gorgeous hand-carved heart shaped Blue John gemstone is framed by an sparkling marcasite design, all set in solid sterling silver. The combination of this beautiful British gemstone which has been sourced directly from Castleton, Derbyshire and the sparkle from the marcasite creates an eye-catching, statement piece.  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 online and instore. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.  Dimensions: 17mm width x 14mm length.