An amethyst, pearl and emerald pendant, late 19th century composite, centring on a large oval

An amethyst, pearl and emerald pendant, late 19th century composite, centring on a large oval amethyst, within a border of half pearls and cushion-shaped emeralds, suspending a later pendant set with a pearl and green pastes, to a double chain and bail set with cushion-shaped emeralds, mounted in gold, length 7.5cm including bail, pearls untested, case stamped George Jamieson & Son, Aberdeen