9ct yellow gold whitby jet round plain edged stud earrings e179 these classic earrings feature highly polished whitby jet gemstones surrounded by ridges of 9ct yellow gold set with secure post and butterfly fittings for an everyday wear the earrings complement any outfit all our whitby jet jewellery is designed and crafted within our very own workshops in ashbourne derbyshire where a team of skilled craftsmen transform natural pieces of whitby jet into these stylish pieces of jewellery yo