A collection of 19th century gold rings

A collection of 19th century gold rings, comprising: a 19th century gold ring set with an old cushion-cut diamond between two cushion-cut rubies in a high setting chased with scrolls, size H, case; a five-stone ruby and diamond ring in yellow gold, size O 1/2, case; a five-stone diamond ring with rubover settings in yellow gold, size M; and a gold ring set with a micromosaic panel depicting a classical figure, size E 1/2