An Important Diamond Pendant. Photo Christie's Image Ltd 2012

Set with a brilliant-cut diamond weighing approximately 8.26 carats, within an old european-cut diamond openwork frame, suspending a pear-shaped diamond weighing approximately 5.03 carats, joined by the old european-cut diamond spacer, mounted in 18k white gold, 6.1 cm long. Estimate HK$12,500,000 - HK$18,000,000 ($1,620,408 - $2,333,387). Unsold

Accompanied by report no. 5141166944 dated 15 february 2012 from the Gemological Institute of America stating that the 8.26 carat diamond is D colour, internally flawless clarity, with excellent cut, polish and symmetry

Report no. 1142167124 dated 15 february 2012 from the GEMOLOGICAL INSTITUTE of AMERICA stating that the 5.03 carat diamond is D colour, internally flawless clarity

ALso accompanied by two supplemental letters from the Gemological Institute of America stating the 8.26 and 5.03 carat diamonds have been determined to be type IIA. type IIA diamonds are the most chemically pure type of diamond and often have exceptional optical transparency. type IIA diamonds were first identified as originating from India (particularly from the Golconda region) but have since been recovered in all major diamond-producing regions of the world. among famous gem diamonds, the 530.20 carat Cullinan and the 105.60 carat Koh-I-Noor, are examples of type IIA

Christie's. Hong Kong Magnificent Jewels. 27 November 2012. Hong Kong