細節
A SINGLE-STONE RUBY RING, BY VAN CLEEF & ARPELS
Set with a cushion-shaped ruby weighing 11.70 carats, with trapeze and triangular-cut diamond shoulders
Signed Van Cleef & Arpels, NY 11796
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