9ct yellow gold whitby jet toscana marquise stud earrings e1124 these elegant stud earrings are part of the toscana collection designed in our own workshop they feature hand crafted long marquise shaped cabochons of whitby jet framed within a 9ct yellow gold setting the design iscompleted with post and butterfly fastenings all our whitby jet jewellery is designed and crafted within our very own workshops in derbyshire where a team of skilled craftsmen turn the raw jet into these stunning