Whitby jet necklace double heart diamond 18ct white gold p1451c this romantic and elegant necklace deserves to be nowhere other than centre stage it boasts two unmissable heart shaped pieces of fine whitby jet stone that has been sourced directly from the north east coast of yorkshire the stone is set within enchanting 18ct white gold and surrounded by dazzling 053ct diamonds giving the piece a magical sparkle the pendant hangs from a delicate white gold chain complete with a classic bolt