An Edwardian Colombian emerald and diamond pendant

An Edwardian emerald and diamond pendant, to the centre set with an octagonal-cut Colombian emerald accompanied by GCS report number 5776-5717 stating that the emerald to be of Colombian origin weighing approximately 1ct, within millegrain-set emerald and diamond scalloped edged surround, suspended from two lines of round-cut diamonds and a larger diamond to the top, all emeralds set in 18ct yellow gold and diamonds set in platinum, Circa 1905, length 26cm, gross weight 6.5 grams

No. 29776M