18ct white gold whitby jet 037ct diamond square necklace p1548c this exquisite necklace features a stunning square shaped cabochon of the finest whitby jet stone sourced directly from the north east coast of yorkshire thebeautiful18ct white gold frame is embellished by dazzling 037 carats of brilliant cut diamonds the pendant hangs gracefully from a fluid 18 inch long 18 carat white gold chaincomplete with a classic bolt ring clasp for easy wear at c w sellors we have an expert team