Six 19th century gem-set rings

Six 19th century gem-set rings, including a 19th century 12ct gold ring, centred with a cluster of four garnets and seed pearls with engraved foliate shoulders, Birmingham marks for 12ct and 1868, size Q 1/2. An 18th century amphora-form ring set with rubies, an emerald and a rose-cut diamond in gold, size I 1/2. An 18th century 18ct gold ring set with three emeralds and four rose-cut diamonds with foliate engraved shoulders, Birmingham marks for 1870, size Q 1/2. A 19th century gold ring set with two circular-cut garnets, a pear-shaped shoulder garnet (one missing) and six small emeralds, size K. An early 19th century gold ring set with five circular-cut garnets in gold, with bifurcated shoulders, size M and a 19th century gold ring set with three emeralds and two opals with pierced scroll shoulders, size L