9ct rose gold whitby jet toscana long marquise necklace p1613 this elegant necklace features a stunning marquise shaped cabochon of the finest whitby jet stone sourced directly from the north east coast of yorkshire the beautiful 9ct rose gold pendant hangs gracefully from a fluid 18 inch long 18 carat rose gold chain complete with 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