Sterling Silver Whitby Jet Cushion Stone Pattern Edge Necklace P3517 This cushion shaped necklace is created using the finest quality, hand carved Whitby Jet. The curved square Whitby Jet gemstone is surrounded by a patterned frame of sterling silver, adding detail to the design. This item is supplied complete with an 18 inch silver chain. All articles Purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.  Dimensions: 20mm x 19mm, Whitby Jet; 12mm x 12mm.