The Regalia, a rare pair of Fancy Pink Diamond and Diamond Pendant Earrings. Photo Sotheby's

Each suspending on a round-cornered rectangular modified brilliant-cut fancy pink diamond weighing 4.42 and 4.24 carats respectively, surrounded by marquise-shaped diamonds and brilliant-cut pink diamonds, surmounted by pear-shaped diamonds and pink diamonds, the diamonds and pink diamonds altogether weighing approximately 6.95 carats, mounted in platinum and 18 karat pink gold. Estimation 15,000,000 - 18,000,000 HKD

Accompanied by GIA reports numbered 2145486656 and 5141486636, dated 2 and 3 May 2012 respectively, stating that the 4.42 and 4.24 carat diamonds are natural, of Fancy Pink colour, VS1 and VVS1 clarity

Sotheby’s Hong Kong. Magnificent Jewels and Jadeite. 8 April 2013 www.sothebys.com