550
A Sapphire and Diamond Ring
One oval-shaped sapphire, 20.30 caratsDiamonds, totalling approximately 1.35 carats18 karat white gold(20.30-carat Sapphire)
<em>SSEF report, numbered 87620, 9 September 2016, Madagascar, no indications of heating.
GRS report, numbered GRS2012-102432, 16 October 2012, Madagascar, no indication of thermal treatment. </em>