Silver Whitby Jet Graduated Heart Hook Earrings. E2012. These feminine earrings are part of our contemporary Eclipse collection and feature fine Whitby Jet stone that has been sourced directly from the north east coast of Yorkshire. The stone is set within stylish double heart Sterling Silver frames, which are suspended from sterling silver hooks, creating a thoroughly modern design. 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 earrings on our website. Silver Whitby Jet Graduated Heart Hook Earrings. 23x14mm.