细节
A FINE SINGLE-STONE RUBY RING, BY VAN CLEEF & ARPELS
Set with a cushion-shaped ruby weighing 11.61 carats, with trapeze and triangular-cut diamond shoulders, mounted in platinum, size 4
Signed Van Cleef & Arpels, no. NY11796
With certificate 31551 dated 4/3/98 from the SSEF Swiss Gemmological Institute stating that the ruby is of Burmese origin with no indications of thermal treatment