A Victorian emerald and diamond butterfly pendant on a chain

A Victorian emerald and diamond quatrafoil pendant on chain, a centrally set old brilliant-cut diamond estimated to weigh 0.50 carats, within a surround of four hoops with pear shaped emeralds centrally set to each, an estimated total emerald weight of 1carat ,to a border of old brilliant-cut diamonds, estimated total diamond weight 2.60 carats, with natural pearl suspended from diamonds, in silver to yellow gold, circa 1890gross weight 13.17 grams

No. 28104M