Sterling Silver Blue John Round Bottle Top Drop Earrings. E054. These elegant earrings are part of our handmade Toscana collection and feature two stunning round cabochons of Blue John stone that have been sourced directly from Treak Cliff Cavern in Castleton. The stones are framed within classic Sterling Silver settings. The drops are completed by simple 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 turn the raw Blue John stone into these stunning pieces of jewellery. You can find other matching Blue John jewellery and other Blue John rings online and in-store. All articles purchased from CW Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Matching items are available within this collection. Dimensions 10mm stones.