A collection of three gem-set rings

£300 - £500 £650

A collection of three gem-set rings, comprising: a ring set with a cabochon emerald between pairs of cushion-shaped diamonds, size O1/2, stamped 18CT PLAT; a Victorian sapphire three-stone ring, accented by circular-cut diamonds, size O; and an early 20th century gold ring set with a double row of cushion-shaped diamonds, size O, all mounted in gold