A fine 5.86 carats oval-cut Burma ruby ring, by Cartier. Estimate 400,000 – $500,000. Photo Christie's Image Ltd 2015

Bezel-set with an oval-cut ruby, weighing approximately 5.86 carats, mounted in platinum, with French assay mark and maker's mark
Signed Cartier, Paris, no. L3737

With report CS 58793 dated 16 January 2014 from the American Gemological Laboratory stating that it is the opinion of the Laboratory that the origin of this ruby would be classified as Burma (Myanmar). Heat enhancement: None

Christie's. MAGNIFICENT JEWELS, 14 April 2015, New York, Rockefeller Plaza