THREE SAPPHIRE AND DIAMOND RINGS (3)

One set with three oval cut sapphires intermittently set with diamonds, in 9ct, size M½, one set with a round cut sapphire and a round brilliant cut diamond in 9ct, size M, combined gross weight 4.3 grams and one set with an oval cut sapphire and two diamonds in 18ct, size M, gross weight 2.4 grams