A pair of Colombian emerald and diamond pendent earrings. Estimate HK$700,000 - 900,000 (€120,000 - 180,000). Photo: Bonhams.

The hexagonal step-cut emeralds, each weighing 4.97 and 4.07 carats, within pavé-set old brilliant-cut diamond surrounds, to similarly set diamond surmounts, between cushion-shaped diamonds, each weighing 1.02 and 1.00 carats, accented by princess-cut diamonds, remaining diamonds approximately 1.10 carats total, length 4.0cm 

Accompanied by two Gubelin reports stating that the 4.97 and 4.07 carat natural emeralds have insignificant and minor clarity enhancement respectively, and both originate from Colombia. Report numbers 12015086 and 12015084, both dated 23 January 2012.

Accompanied by two GIA reports stating that the diamonds are both G colour and VS1 clarity. Report numbers 7161667504 and 5166037680, dated 6 January 2014 and 25 October 2013. 

Bonhams. FINE JEWELLERY & JADEITE, 3 Jun 2015 14:00 HKT - HONG KONG, ADMIRALTY