18ct White Gold Whitby Jet 0.27ct Diamond Shoulder Ring R1011 This elegant 18ct white gold ring features a stunning round shaped hand carved Whitby Jet stone that has been sourced directly from the North East coast of Yorkshire. Twelve sparkling brilliant cut diamonds totalling 0.27 carats embellish the shoulders of this feminine piece. 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 0.27ct Diamond Solitaire Ring. Whitby Jet stone 3.7mm diameter.