THREE RINGS, To include a single-stone ring, set with a circular-cut diamond imitation, to a trifurcated solid mount with tapered shoulders, maker's mark, stamped '375', ring size Z½; a 9ct yellow gold signet ring, circa 1987, set with a circular-shaped black onyx slab, to polished tapered shoulders, maker's mark, UK hallmark, ring size Y½; together with a 9ct rose gold monogrammed shield-shaped ring, to trifurcated solid tapered shoulders, maker's mark, UK hallmark, ring size Z+2; total gross weight approx. 10.8 grams (3)