Diamond and pink diamond pendant necklace. Photo: Sotheby's.

The pendant set with a hexagonal step-cut diamond weighing 5.01 carats, surmounted by a trapeze-shaped diamond weighing 1.03 carats and a baguette pink diamond, decorated with circular-cut pink diamonds and diamonds, completed by a necklace spectacle-set with brilliant-cut diamonds, mounted in 18 karat white and pink gold, length approximately 440mm. Estimation 500,000 - 600,000 HKD (48,369 - 58,042 EUR) 

Accompanied by two diamond reports.

Sotheby's. Magnificent Jewels and Jadeite. Hong Kong | 07 oct. 2013 - http://www.sothebys.com