Silver Turquoise Marcasite Oval Triangle Ring. R748. This simple and stylish ring boasts an oval shaped cabochon of genuine Turquoise gemstone placed within an exquisite sterling silver setting that showcases triangle detailing embellished by dazzling marcasite stones, which bring a sophisticated sparkle to the piece. The ring is completed by a classic sterling silver band. All our Turquoise jewellery is designed and crafted within our very own workshops in Ashbourne, Derbyshire where a team of skilled craftsmen turn the raw Turquoise stone into these stunning pieces of jewellery. You can find other matching Turquoise jewellery and other Turquoise rings online and in-store.. Silver Turquoise Marcasite Oval Triangle Ring