9ct yellow gold turquoise toscana side marquise ring r513 this striking ring is part of our toscana collection and features a stunning marquise shaped cabochon of genuine semi precious gemstoneturquoise the december birthstone the stone has been placed within an exquisite 9ct yellow gold sideways marquise setting which compliments the turquoise beautifully the ring is completed by a classic yellow gold band all our turquoise jewellery is designed and crafted within our very own workshops