Estate Vintage Collection of (3) Diamond Rings

Estate Vintage Collection of (3) Diamond Rings: (1) 18K yellow gold three-stone ring featuring 2 diamonds (0.32cts, 0.33cts) with a total weight of 1.90dwt/3.10g, ring size 7; (2) platinum engagement ring set with a 0.55cts center diamond and flanked by 6 diamonds that weigh 0.05cts with a total weight of 2.90dwt/4.60g; ring size 6; (3) 14k yellow gold engagement ring centrally set with a 0.45cts diamond and flanked by 6 diamonds weighing 0.10cts with a total weight of 1.00dwt/1.50g; ring size 5 1/4