9ct Yellow Gold Whitby Jet 5 Stone Rhombus Drop Necklace. N229. This beautiful, classic necklace features five stunning rhombus shaped cabochons of fine Whitby Jet gemstones sourced directly from the north east coast of Yorkshire. Each Whitby Jet gemstone has been hand carved and set into 9ct yellow gold to form this elegant design. All our Whitby Jet jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen transform natural pieces of Whitby Jet into these stylish pieces of jewellery. You can find other matching Whitby Jet jewellery along with matching Whitby Jet pendants on our website. All articles purchased from CW Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Matching items are available within this collection. Dimensions: 16 inches long with a 25mm drop, Whitby Jet: 8x6mm, larger Whitby Jet piece: 12x5mm.