A SINGLE-STONE RUBY RING

細節
A SINGLE-STONE RUBY RING
Set with a cushion-shaped ruby weighing 5.03 carats to the baguette-cut diamond arched shoulders and pav-set half-hoop surround, mounted in platinum, size 6, with French assay mark
With certificate 9712144 dated 12/1/1998 from the Gbelin Gemmological Laboratory stating that the ruby is of Burmese origin; and with certificate 10257004 dated 8/12/1997 from the Gemological Institute of America stating that evidence of heat treatment is present