18ct White Gold Whitby Jet 0.16ct 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. At C W Sellors, we have an expert team of gemstone and diamond specialists who handpick and grade each jewel to meet our high standards and a team of talented in house designers who combine their talents to bring you our exclusive Precious Gemstone collection. You can find other matching Whitby Jet and diamond pieces online and in store. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.