Sterling Silver Whitby Jet Toscana Marquise Necklace. P1675 . This stylish necklace is part of our Toscana Collection and features an expertly hand cut Whitby Jet marquise shaped stone which has been framed in a Sterling Silver curved drop design which the chain passes through.The pendant is sold complete with an 18" Sterling Silver chain . All our Whitby Jet jewellery is designed and crafted within our very own workshops in Derbyshire where a team of skilled craftsmen turn the raw Jet into these stunning pieces of jewellery. You can find other matching Whitby Jet jewellery and other Whitby Jet necklace online and instore. Dimensions: 30x6mm