616
A Very Fine Sapphire and Diamond Ring
One cushion-shaped sapphire, 15.81 caratsTwelve pear-shaped diamonds, together weighing approximately 5.00 caratsPlatinum(15.81-carat Sapphire)
<em>Gübelin report, numbered 16105223, dated 7 November 2016, Burma, no indications of heating, Royal Blue.
SSEF report, numbered 90668, dated 9 March 2017, Burma, no indications of heating.</em>