18ct White Gold Whitby Jet Diamond Faceted Cushion Necklace, JDS_3. This gorgeous classic drop necklace features a stunning hand carved faceted cushion shaped Whitby Jet gemstone which is framed in highly polished 18ct white gold. Above the Whitby Jet there is a curved bar which links the gemstone to a square shaped bale at the top of the design set with a round brilliant cut diamond. The total carat weight for the pendant is 0.065 carats. Supplied complete with an 18 inch 18ct white gold chain. Dimensions: Full Drop: 40mm, Whitby Jet: 17mm x 14mm. All our Whitby Jet jewellery is designed and crafted within our very own workshop, where a team of skilled craftsmen transform the natural Jet into these stunning pieces of jewellery. You can find other matching Whitby Jet jewellery and other Whitby Jet necklaces on our website. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.