A set of three multi-gem and diamond rings, each ring composed of a line of three brilliant-cut diamonds, with alternating baguette-cut rubies, emeralds and sapphires, to the plain hoop, mounted in 18 carat yellow gold, diamonds approximately 0.81 carat total, sapphires approximately 0.30 carat total, rubies approximately 1.12 carats total, emeralds approximately 0.81 carat total, ring sizes K, M and M