9ct Yellow Gold Blue John Stone Heart Stud Earrings. E1904. These romantic earrings feature two stunning heart shaped cabochons of the finest Blue John stone, sourced directly from the Treak Cliff Cavern in Castleton, Derbyshire. The elegant 9ct yellow gold frames feature a ridged design, which are perfect for everyday wear. The earrings are easily secured with butterfly and post fastenings. 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 stylish pieces of jewellery. You can find other matching Blue John jewellery along with matching Blue John pendants on our website. All articles purchased from CW Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Matching items are available within this collection. Dimensions: 8x10mm, Blue John: 4x4mm.