AN AQUAMARINE AND DIAMOND RING the step-cut aquamarine is set with three circular-cut diamonds to each shoulder, in 18ct yellow gold, size I 1/2, together with a blue topaz and diamond ring, the oval-shaped topaz is set with three circular-cut diamonds to each shoulder in yellow gold, size N 1/2, a diamond cluster ring, millegrain set with single-cut diamonds in yellow gold and platinum, size O 1/2 and a ruby and diamond ring set in 18ct gold, size L