Silver Whitby Jet Marcasite Four Arc Round Pendant Necklace. P2140. This Whitby Jet and Sterling Silver pendant features a hand carved round Whitby Jet gemstone set within a detailed floral frame, accented with sparkling Marcasite gemstones.This intricate piece is a perfect gift for yourself or a loved one. It is supplied complete with an 18" 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 turn the raw Whitby Jet stone into these stunning pieces of jewellery. You can find other matching Whitby Jet jewellery and other Whitby Jet necklaces online and instore. Silver Whitby Jet Marcasite Four Arc Round Pendant Necklace