Sterling Silver Blue John Round Locket Chain Bracelet, B1248. This simple, feminine locket bracelet features a hand carved cabochon of the finest Blue John gemstone, sourced directly from Castleton, Derbyshire. The stone is set within a sterling silver frame which has been highly polished to a beautiful finish. The locket opens by a hinge, allowing a photo or momento to be placed inside. 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 on our website and in our stores. All articles will be lovingly and securely dispatched with our elegant jewellery packaging. Locket Diameter: 12mm.