Sterling Silver Blue John Three Stone Curved Barrel Necklace, P866. This simple and sophisticated necklace is part of our Heritage handmade jewellery collection and features three stunning pieces of rare Blue John stone, that has been sourced directly from Castleton, Derbyshire. The stones are framed within an exquisite curved sterling silver setting and the pendant is completed with a secure 18 inch sterling silver chain. 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 online and in stores to complement this necklace. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.