9ct Yellow Gold Blue John Dinky Stud Earrings. E279. A classic, cushion shaped pair of stud earrings, solidly backed with 9ct gold and set with hand polished Blue John which is sourced directly from the Treak Cliff Cavern in Castleton, Derbyshire. Attached to a post and butterfly fitting, these earrings are neat and discreet. 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 instore. All articles purchased from CW Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Matching items are available within this collection. Dimensions: Stud 8mm square.