Jewellery, Watches and Objects of Vertu

A Colombian emerald and diamond brooch, first quarter of the 20th century, set with a step-cut emerald within a knife-wire tracery surround of Persian inspiration, the border set with old brilliant-cut diamonds and step-cut emeralds to the cardinal points, mounted in platinum, numbered ‘7150’, later brooch fitting, emerald approximately 7.00 carats, total diamond weight approximately 1.30 carats, length 35mm. £5,000-£7,000

Accompanied by a report from GCS stating that the emerald is of Colombian origin with a minor amount of oil in fissures. Report number 81317-33, dated July 12 2021.

Accompanied by a report from AGL stating that the emerald is of Colombian origin with insignificant to minor clarity enhancement (traditional). Report number CS63460, dated October 6 2014.