细节
A VERY FINE RUBY AND DIAMOND CLUSTER RING
Set with an oval-cut ruby weighing 3.67 carats in a circular-cut and pear-shaped diamond two-tiered surround, with circular-cut diamond shoulders
With certificate CS 27963 dated 29/11/90 from the American Gemological Laboratories stating that this ruby would be classified as Burmese, with no gemological evidence of heat induced appearance modification present