18ct white gold whitby jet 025ct diamond oval centre ring r1021 this elegant 18ct white gold ring features a hand carved whitby jet stone that has been sourced directly from the north east coast of yorkshire the highly polished stone is surrounded by 14 sparkling brilliant cut diamondsgiving a total diamond weight of 025 carats 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 whitby jet into the