18ct yellow gold whitby jet 014ct diamond marquise necklace p1796c 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 18ct yellow gold frame is embellished by dazzling 014 carats of brilliant cut diamonds the pendant hangs gracefully from a fluid 16 inch long 18 carat yellow gold chain complete with a classic bolt ring clasp for easy wear at c w sellors we have an expert