18ct white gold whitby jet 040ct diamond oval stud earrings e2250 these exquisite earrings feature two stunning oval shaped cabochons of the finest whitby jet stone sourced directly from the north east coast of yorkshire the beautiful 18ct white gold frames are embellished by dazzling 040 carats of brilliant cut diamonds the earrings are secured with post and butterfly fastenings at c w sellors we have an expert team of gemstone and diamond specialists who handpick and grade each jewel