Sterling Silver Whitby Jet Marquise Pendant, P1865 This feminine necklace has been created using the finest quality, hand carved Whitby Jet (the marquise pendant measures 25 x 13mm). The polished genuine Whitby Jet gemstone is expertly set in Sterling Silver and is presented on a sterling silver chain. All our gemstone jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform natural gemstones into these stylish pieces of jewellery. You can find other matching jewellery on our website and in our stores. All articles are lovingly and securely dispatched with our elegant jewellery packaging.