A COLLECTION OF THREE RINGS, To include an 18 carat yellow and white gold cluster ring, set with an oval-cut sapphire, surrounded by brilliant-cut diamonds, Import mark, size P; a three stone ring set with a square-cut amethyst, set each side with a brilliant-cut diamond, metal unmarked and untested, size P½; and a five stone ring set with five graduated single-cut diamonds, metal unmarked and untested, size O½, total gross weight 7.5 grams (3)