A SAPPHIRE AND DIAMOND CLUSTER RING the circular-cut sapphire is set within a surround of circular-cut diamonds, with a circular-cut sapphire to each shoulder, in yellow gold, size Q, a ruby and diamond half hoop ring, set with three square-shaped rubies and four circular-cut diamonds in 18ct yellow gold, size M 1/2, an emerald and diamond three stone ring, the oval-shaped emerald is set with two circular-cut diamonds in 18ct yellow gold, size M 1/2 and an emerald and diamond half hoop ring, set with four circular-cut emeralds and three circular-cut diamonds in 18ct yellow gold, size P 1/2