9ct rose gold whitby jet half ridged heart necklace p2548 this unique necklace features a stunning circular shaped cabochon of the finest whitby jet stone sourced directly from the north east coast of yorkshire the contemporary 9ct rose gold frame has ridges down one side to create a textured effect the 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 withi