Sterling Silver Blue John Pointed Pear Necklace. P221. This elegant necklace features a stunning cabochon of the finest Blue John which has been sourced directly from Castleton, Derbyshire. A beautiful addition to any jewellery lover\'s collection. Sold complete with an 18 inch sterling silver chain which fastens with a classic bolt ring style clasp. 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: 27mm x 11mm.