Lot 676. An important 5.23 carats Burma ruby and diamond three-stone ring. Estimate HK$ 3.7 million - 4.2 million (€430,000 - 490,000). Sold for HK$ 4,360,000 (€ 519,127). © Bonhams.

The cushion-shaped ruby, weighing 5.23 carats, between brilliant-cut diamond shoulders, diamonds approximately 1.20 carats total, ring size 5½

Accompanied by a SSEF report stating that the natural ruby has no indication of heat treatment and originates from Burma (Myanmar). Also accompanied by a SSEF appendix stating that the inclusions found in the stone represent the hallmarks of the rubies from Mogok valley in Burma (Myanmar). Report number 79040, dated 10 March 2015.

Accompanied by a AGL (American Gemological Laboratories) report stating that the natural ruby has no indication of heat treatment and originates from Burma (Myanmar). Report number CS 64439, dated 5 November 2014.

Accompanied by two GIA reports stating that the 0.60 carat diamonds are F colour and VS1 and VS2 clarity. Report numbers 2196291710 and 5186614253 respectively, dated 3 February 2015 and 13 November 2014.

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