18ct White Gold Whitby Jet 0.16 Carat Diamond Centre Stone Ring. R1008. This elegant 18ct white gold ring features a claw set hand carved Whitby Jet stone, sourced directly from the North East coast of Yorkshire. The highly polished stone is the centre piece between two sparkling claw set diamonds totaling 0.16 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 these stunning pieces of jewellery. You can find other matching Whitby Jet jewellery and other Whitby Jet rings on our website. 18ct White Gold Whitby Jet 0.16 Carat Diamond Centre Stone Ring