Silver Whitby Jet Round Frill Pendant Necklace. P059. This feminine pendant has a large circular piece of Whitby Jet at its heart, framed by delicate curves of sterling silver which are evocative of delicate lace. The pendant sits gracefully on a delicate Sterling Silver chain that is completed by a classic bolt ring clasp for easy wear. 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 on our website. Silver Whitby Jet Round Frill Pendant Necklace, 15mm stone, 24x24mm overall, complete with an 18" Sterling Silver fine chain (00119654).