Set of 3 period gold rings (18K-750/1000) comprising: -1 set with an old-cut diamond (approx. 0.25 ct) -TDD: 52 - Pb: 2.15 g -1 set with calibrated blue stones and rose-cut diamonds - TDD: 53 - Pb: 2 g -1 set with a pink sapphire - TDD: 51 - Pb: 1.75 g