A FINE SINGLE-STONE ALEXANDRITE RING

細節
A FINE SINGLE-STONE ALEXANDRITE RING
Set with a cushion-shaped alexandrite weighing 6.56 carats to the pear-shaped diamond shoulders and platinum hoop
With certificate 9710189 dated 5/11/1997 from the Gbelin Gemmological Laboratory stating that the alexandrite is of Brazilian origin and displays a strong colour change