18ct white gold whitby jet 050ct diamond cascade necklace krg126 this unique necklace features four circular shaped cabochons of the finest whitby jet stone sourced directly from the north east coast of yorkshire the beautiful 18ct white gold frame is embellished by dazzling 050 carats of brilliant cut diamonds the pendant hangs gracefully from a fluid 16 inch long 18 carat white gold chain complete with a classic bolt ring clasp for easy wear at c w sellors we have an expert team of ge