Sterling Silver Blue John Round Stone Adjustable Bracelet, B1142. Contemporary and stylish, this bracelet features a circular shaped cabochon of the finest Derbyshire Blue John gemstone, from Castleton, Derbyshire. The Blue John is framed elegantly in a sterling silver setting and the bracelet is completed by a sterling silver, adjustable chain. All our Blue John jewellery is designed and crafted within our very own workshops, 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. All articles purchased from C W Sellors are securely dispatched with our elegant, personalised jewellery packaging. Matching items available within this collection. Dimensions: 12mm.