Lot of four natural emeralds on paper, in boxes: - One emerald-cut of 9.52 carats. - One emerald-cut, 4.27 carats. - One oval-cut emerald of 9.87 carats. - A faceted trillion-cut emerald of 4.47 carats. All stones accompanied by a GGL (Global Gemological Laboratories) card detailing criteria and treatments.