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Lot 2016. A 7.02 carats cushion-shaped Burma ruby and 3.66 carats, L colour, VS2 clarity diamond ring. Estimate HK$950,000 – HK$1,200,000 (US$120,000-150,000). Unsold & Lot 2017. A pair of 3.53 and 3.22 carats Burma cushion-shaped ruby and diamond earringsEstimate HK$2,800,000 – HK$3,800,000 (US$350,000-480,000)Price realised HKD 3,160,000. Photo Christie's Image Ltd 2016

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Lot 2016. A 7.02 carats cushion-shaped Burma ruby and 3.66 carats, L colour, VS2 clarity diamond ring. Estimate HK$950,000 – HK$1,200,000 (US$120,000-150,000). Photo Christie's Image Ltd 2016

The cushion-shaped ruby, weighing approximately 7.02 carats, set side-by-side with an old mine-cut diamond, weighing approximately 3.66 carats, to the circular-cut diamond half-hoop, mounted in platinum, ring size 5½

Accompanied by report no. 2175084348 dated 23 March 2015 from the GIA Gemological Institute of America stating that the diamond is L colour, VS2 clarity

Report no. 78683 dated 11 March 2015 from the SSEF Swiss Gemmological Institute stating that the ruby is of Burma (Myanmar) origin, with no indications of heating

Report no. 14081004 dated 12 August 2014 from the Gübelin GemLab stating that the ruby is of Burma (Myanmar) origin, with no indications of heating

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Lot 2017. A pair of 3.53 and 3.22 carats Burma cushion-shaped ruby and diamond earringsEstimate HK$2,800,000 – HK$3,800,000 (US$350,000-480,000). Photo Christie's Image Ltd 2016

Designed as a flowerhead, each set with a cushion-shaped ruby, weighing approximately 3.53 and 3.22 carats, within a two-tiered pear-shaped diamond surround, each weighing approximately 0.37 to 0.30 carat, mounted in gold, 2.2 cm

Accompanied by report no. 14056006 dated 11 June 2014 from the Gübelin GemLab stating that the 3.53 carat ruby is of Burma (Myanmar) origin, with no indications of heating and this colour variety may also be called “pigeon’s blood red” in the trade

Report no. 14056005 dated 11 June 2014 from the belin GemLab stating that the 3.22 carat ruby is of Burma (Myanmar) origin, with no indications of heating

Thirty-two reports dated from 22 February 2013 to 22 September 2014 from the GIA Gemological Institute of America stating that the diamonds range from D to F colour, internally flawless to VS2 clarity

Christie's. HONG KONG MAGNIFICENT JEWELS, 31 May 2016, Convention Hall