Three sapphires and their International Gemmological Institute IGI seal: - an oval sapphire weighing 0.98 ct corresponding to certificate no. F1H91527, Dim.: 6.6 x 4.7 x 3.3 mm - an oval sapphire weighing 1.10 ct, corresponding to certificate no. 1L121299, size: 7.1 x 5.1 x 3.3 mm - an oval sapphire weighing 1.79 ct, corresponding to certificate no. F1H78070. Size: 8 x 6.1 x 4.2 mm