Lot 327. An impressive set of Burmese  'Pigeon Blood Red' ruby and diamond jewellery. Estimate CHF1,500,000 – CHF2,500,000 ($1,577,640 - $2,629,400). Price realised CHF 1,685,000. © Christie's Image Ltd 2015

Comprising a necklace designed as twenty graduated pear-shaped diamond flower clusters, each centering upon an oval-shaped ruby, a pair of ear pendants en suite, mounted in platinum and gold, necklace 46.1 cm, ear pendants 3.5 cm 

Accompanied by Premium Report no. 78386 dated 17 March 2015 from the SSEF Swiss Gemmological Institute stating that the 22 rubies are of Burmese origin, with no indications of heating, and that few of these rubies may be called 'Pigeon Blood Red', and a letter stating that the mounting prevented the SSEF to test the other rubies for 'Pigeon Blood Red' but that it cannot be excluded that additional rubies could fall within this standard, also accompanied by an 'Exceptional Ruby Necklace and Ear-Pendants' letter indication that the necklace and ear-pendants 'possess extraordinary characteristics and merit special mention and appreciation'

Report no. 6162859465 dated 7 February 2014 from the GIA Gemological Institute of America stating that the 20 rubies in the necklace are of Burmese origin, with no indications of heating, and a letter mentioning that the rubies 'are a wonderful example of the classic Pigeon Blood color'

Report no. 1167861573 dated 7 February 2014 from the GIA Gemmological Institute of America stating that the 2 rubies in the earrings are of Burmese origin, with no indications of heating, and a letter mentioning that the rubies 'are a wonderful example of the classic Pigeon Blood color' (2)

Christie's. GENEVA MAGNIFICENT JEWELS, 13 May 2015, Geneva