Sterling Silver Blue John Heart Safety Pin Brooch, M304. This contemporary and fun brooch has been designed in the style of a safety pin using sterling silver into which has been set a beautiful highly polished and hand carved heart shaped Blue John gemstone. The Blue John is sourced directly from Castleton in Derbyshire. This design will appeal to all ages and is a lovely gift which is practical as well as being an original piece of Blue John jewellery.  All articles purchased from C W Sellors are securely dispatched with our elegant, personalised jewellery packaging. Matching items available within this collection. Dimensions: 52mm x 11mm.