Three sapphire rings, vintage sapphire and diamond cluster ring, central oval cut sapphire, estimated weight 0.90 carat, set within a border of Swiss cut diamonds, size O, opal and sapphire cluster ring, size J half and sapphire and diamond dress ring, all mounted in 9 ct yellow gold . Gross weight 8.9 gramsSapphire and diamond cluster ring, hallmarked London 1979, with textured shank and engraved leaf patternOpal and sapphire cluster ring, oval cabochon cut, measuring approximately 7.9 x 6.3mm, opal top surface is rubbed, hallmarked Birmingham 1978, some of sapphires claws have liftedSapphire and diamond cluster ring, three oval cut sapphires, eight round cut diamonds, set in illusion setting, ring shank is miss shaped, hallmarked Birmingham 1993