A SYNTHETIC RUBY MARQUISE CUT SINGLE STONE RING

the stone approx 20 x 6mm, claw-set in a hallmarked 22ct yellow gold setting and a red and white stone marquise shaped cluster ring, the red stone probably glass, in a high carat yellow gold unmarked setting. An early 20th century cushion-cut ruby single stone ring set in 9ct yellow gold, an early 20th century synthetic ruby and white zircon three stone ring in 18ct yellow gold and platinum (4)