A pair of emerald and diamond earrings.  Photo Bonhams

The earrings each set with a pear-cut emerald, weighing 10.83 and 9.96 carats, within a round brilliant-cut diamond surround, to a similarly set emerald-cut diamond surmount, all suspended from a line of round brilliant-cut diamonds, mounted in 18k white gold, the diamonds estimated to weigh approximately 2.40 carats in total, earring length 5.0cm.  Lot 706. Estimate: HK$ 1.6 million - 1.8 million / US$ 210,000 - 230,000 / £130,000 - 140,000. Unsold

Accompanied by two certificates from Gübelin, stating the following:

The 10.83 carats emerald is natural green colour with indications of minor clarity enhancement and originates from Colombia. Report number 11055234, dated 31 May 2011

The 9.96 carats emerald is natural green colour with indications of minor clarity enhancement, minor amount of filling material in cavities and originates from Colombia. Report number 11055235, dated 31 May 2011

10.83 及 9.96 克拉哥倫比亞祖母綠 鑽石 耳環 一對

Bonhams. 26 May 2012 2 p.m. Hong Kong. Fine Jewellery & Jadeite