Three diamond trilogy rings and a diamond solitaire ring, to include a three-stone diamond ring with an old-European cut diamond flanked by two single-cut diamonds, illusion set on a coronet mount in platinum, with millgrained shoulders to a yellow gold shank, hallmarked as '18ct & PT', size Q; Another one with three old-cut diamonds claw set on platinum bypass mount, to a yellow gold shank, hallmarked as '18ct & PT', size Q; A three-stone diamond ring with a single-cut diamond and two rose-cut diamonds, star set on a high profile mount in white metal, to a tapered yellow metal shank, unmarked, size S; A diamond solitaire ring with a old-cut diamond collet claw set on platinum mount, with rose-cut diamond accents on shoulders, to a yellow gold shank, hallmarked as '18ct & PT', size O. Total weight of items 9.8 grams (4).