DIAMOND SINGLE-STONE RING AND TWO DIAMOND HALF-ETERNITY RINGS (3)DIAMOND SINGLE-STONE RING AND TWO DIAMOND HALF-ETERNITY RINGS1st: Set with a brilliant-cut diamond, 2nd: Set with brilliant-cut diamonds, mounted in platinum, 3rd: Set with brilliant-cut diamonds, mounted in platinum, 1st: diamond approx. 0.60ct total, 1st with partial UK hallmark, 2nd with partial UK hallmark and European convention mark, 3rd with London hallmark, ring sizes approx.: 1st N, 2nd N, 3rd M (3)None