AN EARLY 20TH CENTURY SAPPHIRE RING

AN EARLY 20TH CENTURY SAPPHIRE RING
The circular-cut sapphire weighing approximately 3.65 carats, between old-cut diamond three-stone shoulders, raised on a fluted hoop, French marks for platinum, finger size M
No.380
Accompanied by report no.75939 dated 20 August 2014 from The Swiss Gemmological Institute (SSEF), stating the 3.647ct sapphire is natural, shows no indications of heating, origin Burma; together with report no.13100297 dated 7 November 2013 from Gubelin Gemlab, stating the sapphire is natural, with no indications of heating, origin Burma