细节
A VERY FINE SINGLE-STONE SAPPHIRE RING
Set with a cushion-shaped sapphire weighing 10.04 carats, to the baguette-cut diamond chevron shoulders
With certificate 9112001-2 dated 9/12/91 from the Gübelin Gemmological Laboratory stating that the sapphire is of Burmese origin with no evidence of thermal treatment