An important Burma ruby and diamond three-stone ring. Estimate HK$ 3.7 million - 4.2 million (€430,000 - 490,000) © 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