18ct White Gold Blue John 0.31ct Diamond Swirl Stud Earrings, E1989. These exquisite earrings feature two stunning circular shaped cabochons of the finest Blue John stone, sourced directly from Castleton, Derbyshire. The beautiful 18ct white gold frames are embellished by dazzling 0.31cts of brilliant cut diamonds. The earrings are secured with post and butterfly fastenings.  We have an expert team of gemstone and diamond specialists who handpick and grade each jewel to meet our high standards and a team of talented in house designers who combine their talents to bring you our exclusive Precious Gemstone collection. You can find other gemstone pieces online and in store to complement these earrings. All articles purchased will be lovingly and securely dispatched with our elegant jewellery packaging.  Dimensions 10mm x 10mm, Gemstone; 5mm x 5mm