Six antique gem-set gold rings

Six antique gem-set gold rings, including an Edwardian 18ct gold ring, of scroll form and alternately-set with four graduated rubies, three opals and rose-cut diamonds set to the foliate borders, Chester marks for 1902, size M. A 19th century gold ring, set with three garnets with scroll decoration to the borders and shanks, size J. An early 19th century gold ring centred with an opal within a border of faceted black circular stones, bifurcated shoulders to the double rope design shank, size P. A 19th century gold stylised buckle ring, possibly Russian, with 56 mark and maker AS, size R. A 19th century gold mourning ring, centred with a small carved hardstone cameo depicting a forget-me-not between two pearls, size L and a 19th century gold ring, set with four green stones and three rose-cut diamonds, pierced scroll mount, size M