Sterling Silver Blue John Contemporary Square Brooch. M084. This exquisite Blue John brooch has been crafted from an unmissable piece of Blue John stone, sourced directly from the Derbyshire Blue John cavern. The piece has been carefully designed and polished and then set in delicate sterling silver. 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 brooches on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.  Dimensions: 32mm x 32mm.