Lot 630. An important 4.37 carats Burmese ruby and diamond ring. Estimate HK$ 2,400,000 - 3,400,000 (€ 260,000 - 370,000). Photo: Bonhams.

Set with a cushion-shaped ruby, weighing 4.37 carats, flanked by cushion-cut diamonds, weighing 0.91 and 1.00 carats, accented by round brilliant-cut diamonds; estimated total diamond weight 2.28 carats; mounted in 18k white gold; size 3¾

Accompanied by SSEF report #111702, dated 16 January 2020, stating that the ruby has no indications of heat treatment and originates from Burma (Myanmar).

Accompanied by Gübelin report #20023046, dated 18 February 2020, stating that the natural ruby has no indications of heat treatment and originates from Mogkok Burma (Myanmar).

Accompanied by GIA report #5203155301, dated, 3 June 2015, stating the diamond weighing 0.91 carats is E colour, SI1 clarity.

Accompanied by GIA report #7206154548, dated, 25 August 2015, stating the diamond weighing 1.00 carat is F colour, VS1 clarity.