Sterling Silver Whitby Jet Rope Frill Ring. R010. This elegant ring is part of our Heritage handmade jewellery collection and features a stunning oval shaped cabochon of genuine Turquoise semi-precious gemstone. The stone is framed within an exquisite Sterling Silver setting with delicate rope edge detail and completed with a classic Sterling Silver band. All our Whitby Jet jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen turn the raw Whitby Jet stone into these stunning pieces of jewellery. You can find other matching Whitby Jet jewellery and other Whitby Jet rings on our website. Dimensions: Whitby Jet stone 8 x 6mm.