细节
A SINGLE-STONE RUBY RING
Set with an oval-cut ruby weighing 2.59 carats to the plain hoop
With certificate 9312055 dated 15/12/1993 from the Gübelin Gemmological Laboratory stating that the ruby is of Burmese origin and shows no evidence of thermal treatment
Set with an oval-cut ruby weighing 2.59 carats to the plain hoop
With certificate 9312055 dated 15/12/1993 from the Gübelin Gemmological Laboratory stating that the ruby is of Burmese origin and shows no evidence of thermal treatment