Sterling Silver Blue John Large Oval Rope Edge Necklace. P131 This simple and stylish necklace features a striking oval cabochon of Blue John stone that has been sourced directly from Castleton, Derbyshire. The stone is placed within the centre of a solid sterling silver setting detailed with a twisted rope edge. The pendant hangs gracefully from a fluid 18 inch long sterling silver chain completed by a classic bolt ring clasp for easy 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 the natural  Blue John stone into these stunning pieces of jewellery. You can find other matching Blue John jewellery and other Blue John necklaces on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Silver Blue John Large Oval Rope Edge Pendant Necklace. Pendant 48x28m.