Sterling Silver Turquoise Toscana Marquise Twist Ring. R512. This striking ring is a part of our handmade Toscana collection and features a stunning marquise shaped cabochon of natural Turquoise gemstone, the December birthstone. The stone has been placed within an exquisite Sterling Silver setting which compliments the dazzling greenish blue Turquoise beautifully. 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 on our website. Dimensions: 20mm x 7mm