Sterling silver whitby jet framed round stud earrings e816 these circular whitby jet and sterling silver stud earrings are hand polished so smoothly that the entire piece has a mirror shine the gemstones are framed and backed by sterling silver set with a secure post and butterfly fitting 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 pie