9ct yellow gold whitby jet toscana overlapping marquise ring r525 this striking ring is part of our toscana handmade jewellery collection and featuresa stunning marquise shaped cabochon of fine whitby jet stone that has been sourced locally from the whitby coastline north yorkshire the stone is framed within exquisite 9ct yellow gold setting and is completed with a classic yellow gold band all our whitby jet jewellery is designed and crafted within our very own workshops in derbyshire wher