细节
An Art Deco sapphire and diamond ring
Centrally set with an oval-shaped sapphire weighing 8.44 carats with a pierced diamond-set gallery and diamond and calibré-cut sapphire shoulders to the graduated ribbed hoop, circa 1925
With certificate 30643 dated 19/8/1997 from The Swiss Gemmological Institute stating that the sapphire shows no indications of thermal treatment
Centrally set with an oval-shaped sapphire weighing 8.44 carats with a pierced diamond-set gallery and diamond and calibré-cut sapphire shoulders to the graduated ribbed hoop, circa 1925
With certificate 30643 dated 19/8/1997 from The Swiss Gemmological Institute stating that the sapphire shows no indications of thermal treatment