592
A Padparadscha Sapphire and Diamond Ring
One oval padparadscha sapphire, 5.23 caratsDiamond-set flower petalsPlatinum(5.23-carat Padparadscha Sapphire)
<em>Gübelin Report, numbered 16081010, dated 9 August 2016, Sri Lanka (Ceylon), no indications of heating.
GIA Report, numbered 6222415152, dated 19 April 2016, Sri Lanka, no indications of heating. </em>