9ct yellow gold whitby jet large curved triangle stud earrings e209 these neat whitby jet and 9ct gold triangular studs have subtle curved edges which soften the points giving a more cushion like shape the earrings are available in three sizes all set with post and butterfly fastenings all our whitby jet jewellery is designed and crafted within our very own workshops in ashbourne derbyshire where a team of skilled craftsmen transform natural pieces of whitby jet into these stylish piece