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 pieces of jewellery. You can find other matching Whitby Jet jewellery along with matching Whitby Jet 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: 9mm x 9mm, Whitby Jet; 5mm x 5mm.