Sterling Silver Blue John Marquise Drop Earrings, E1414. These elegant drop earrings feature a marquise shaped piece of rare Blue John stone that has been sourced directly from Castleton, Derbyshire. The stone is set in the centre of a sterling silver mount which hangs gracefully from classic post and butterfly fastenings, for secure everyday wear.  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 and in stores. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Dimensions: 17mm x 9mm