An Impressive Ruby Single-stone Ring
An Impressive Ruby Single-stone Ring

細節
An Impressive Ruby Single-stone Ring
The central cushion-cut ruby weighing 5.10 carats to the plain hoop
With certificate GRS9908108 dated 31/08/99 from the GRS Gemresearch Swisslab stating that the 5.10 carat ruby is of Burmese origin and shows no indication of thermal treatment