Sterling Silver Blue John Square Split Shoulder Ring. R063. This simple ring is part of our handmade Heritage jewellery collection and features a highly polished cabochon of rare Blue John, sourced directly from Castleton, Derbyshire. The beautiful gemstone is framed in solid sterling silver which is completed with split shoulder detailing.  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: 6mm x 6mm setting.