Two cushion-shaped sapphires, 16.89 and 13.71 carats respectively
Two old European-cut diamonds, 3.73 and 3.31 carats respectively
Platinum
Length approximately 3.8 cm
AGL Report: Burma, no gemological evidence of heat and clarity enhancement, 'Royal Blue' colour. The Jewel Folio further states that 'The pair of sapphires is such an example of top-quality Burmese gems. They each possess a richly saturated color that typifies a Burmese sapphire exhibiting a Royal Blue shade.'
Gübelin Report: Burma, no indications of heating, 'Royal Blue' colour. The Appendix Letter further states that 'The pair of sapphires possesses a richly saturated and homogeneous royal blue colour, combined with a high degree of transparency and a fine proportioned cut.'
SSEF Report: Burma, no indications of heating, 'Royal Blue' colour. The Appendix Letter further states that 'They have been carefully selected for their attractive saturated blue colour and fine purity....Assembling a matching pair of natural sapphires from Burma of this size and quality can be considered rare and exceptional.'
GIA Reports: F colour, VVS2 and VS1 clarity respectively
Please note that one one GIA report is more than 5 years old and may require an update