Accompanied by a SSEF report stating that the natural sapphires have no indications of heat treatment and originate from Burma (Myanmar). Report number 60787, dated 28 September 2011. 

Also accompanied by an appendix stating that the natural sapphires exhibit a vivid blue colour, combined with a fine purity and an attractive cutting style, making them an outstanding matching pair of sapphires. It's vivid blue colour is due to a combination of well-balanced trace elements in the stone, typical and characteristic for the finest sapphires of Mogok. To find a matching pair of natural sapphires from Burma of this quality is rare and exceptional. 

Accompanied by a Gubelin report stating that the natural sapphires have no indications of heat treatment and originate from Burma (Myanmar). Report number 1007518/1 and 2, dated 12 July 2010.  

Also accompanied by an appendix stating that the matched pair of sapphires possess a saturated and homogeneous colour, and that such a combination of characteristics is rare. 

Bonhams. AUCTION 23346: RARE JEWELS & JADEITE, 15:00 HKT - HONG KONG, ADMIRALTY