I donīt plenty sure the Farah's emeralds are the same to Enasīs emerald, the size is diffrent. largest in the enaīs necklace, on the other hand, the iranian treausure has a lot of emeralds even bigger ( but no the same quality tha colombian emeralsd) than ena, and the shah always supplied the gemstones, for instance the Van cleff and Arples comission to the coronation
and I understand the confussion for the numbers of emeralds in enaīs necklace. she bought two emeralds to adap the sanzīs neclace, one of them was paste here a link in Spanish