Lot 1937. An elegant 3.03 carats F VS1 diamond, ruby and coloured diamond ring, by Cindy Chao. Estimate HKD 400,000 - HKD 600,000 (US$50,000-78,000). Price realised HKD 1,000,000. © Christie's Images Ltd 2017

The circular-cut ruby ribbon gathered by a pear-shaped diamond, weighing approximately 3.03 carats, to the circular-cut diamond and ruby furled hoop, mounted in gold, ring size 4 ¾, in black Cindy Chao case. Signed Cindy Chao

Accompanied by report no. 6157480501 dated 12 June 2013 from the GIA Gemological Institute of America stating that the diamond is F colour, VS1 clarity

Christie's. Hong Kong Magnificent Jewels, 30 May 2017, Convention Hall