18ct white gold whitby jet 125ct diamond graduated drop necklace 112 1001 93 8 this magical necklace deserves to be nowhere other than centre stage it boasts an unmissable tear drop shaped piece of fine whitby jet stone that has been sourced from the north east coast of yorkshire the stone is set within exquisite 18ct white gold and crowned by a string of graduating brilliant cut diamonds creating an elegant and enchanting sparkle all our whitby jet jewellery is designed and crafted within