Sterling Silver Blue John Oval Frill Stud Earrings, E009. These elegant stud earrings feature two stunning oval cabochon pieces of rare Blue John stone that have been sourced directly from Castleton, Derbyshire. The stones are set within a sterling silver base with an intricately crafted ribbon detailing around the edge, creating a beautiful vintage finish. The earrings are completed by classic post and butterfly fastenings 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 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: 12mm x 10mm, Blue John; 8mm x 6mm.