A group of three diamond and gem...

A group of three diamond and gem rings, comprising: an Edwardian, 18ct. gold, ruby and diamond marquise cluster ring set with three central cushion-cut rubies surrounded by old-brilliannt-cut diamonds, Birmingham hallmarks, 1905, ring size M1/2; an 18ct. gold, sapphire and diamond seven stone half-hoop ring, Birmingham hallmarks, 1917, ring size L1/2; and an 18ct. gold, claw-set oval-cut emerald and single-cut diamond cluster ring, London hallmarks, 1985, ring size M (3)