18ct White Gold Whitby Jet 0.07ct Diamond Pear Shoulder Ring R1013 This elegant 18ct white gold ring features a round shaped hand carved Whitby Jet stone that has been sourced directly from the North East coast of Yorkshire. Four sparkling pave set diamonds totalling 0.07 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 0.07ct Diamond Ring. Whitby Jet stone 3.7x3.7mm.