Sterling Silver Whitby Jet Four Stone Butterfly Necklace. P948. This lovely butterfly pendant is made of solid sterling silver and the wings are elegantly inlaid with the highest quality hand carved Whitby Jet gemstones. This item includes an 18 inch sterling silver chain. 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 on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Dimensions: 21mm x 20mm.