Lot 2077. A rare 11.38 carats old mine-cut Type IIa diamond ring. Estimate HKD 12,000,000 - HKD 18,000,000 (USD 1,554,108 - USD 2,331,162). Photo Christie's Images Ltd 2016.
Set with an old mine-cut diamond, weighing approximately 11.38 carats, flanked by oval-shaped diamonds, mounted in gold, ring size 5¾
Accompanied by report no. 5171598999 dated 27 April 2016 from the GIA Gemological Institute of America stating that the diamond is D colour, internally flawless clarity; and a Diamond Type Classification letter stating that the diamond has been determined to be Type IIa .
Report no. 16050006 dated 9 May 2016 from the Gübelin GemLab stating that the diamond is D colour, internally flawless clarity, type IIa; also accompanied by an appendix stating that the diamond displays an antique cutting style as well as a superior quality in purity of colour and transparency unique to the finest of type IIa diamonds. Diamonds of this kind, seldom encountered in the gem trade today, are extremely rare and comparable to those famous and exquisite diamonds which originated from the kingdom of “Golconda”.
Christie's. Hong Kong Magnificent Jewels, 29 November 2016, Hong Kong, HKCEC Grand Hall