Lot 2049. An important 5.64 carats Burma 'pigeon blood red' ruby and diamond ring. Estimate HKD 6,500,000 - HKD 9,500,000 (US$800,000-1,200,000) © Christie's Images Ltd 2017

Centering on a cushion-shaped ruby, weighing approximately 5.64 carats, within a lozenge-shaped marquise-cut diamond surround, each weighing approximately 0.55 to 0.50 carat, to the circular-cut diamond stylized gallery, extending to the undulating hoop, mounted in platinum and gold, ring size 6 ¼ 

Accompanied by report no. 89505 dated 17 January 2017 from the SSEF Swiss Gemmological Institute stating that the ruby is of Burma (Myanmar) origin, with no indications of heating and the colour of this ruby may also be called 'pigeon blood red' based on SSEF reference standards

Eight reports dated from 5 October 2016 to 2 February 2017from the GIA Gemological Institute of America stating that the marquise-cut diamonds range from D to E colour, internally flawless to VVS1 clarity, with excellent polish