Circa 1970. This gorgeous 18KT yellow gold French ring features a stunning 5.6-carat oval mixed-cut natural emerald set with eight prongs. The emerald is bordered with 16 shared prong-set, round brilliant-cut diamonds. The diamonds weigh 1.66 carats in total, with VS1-VS2 clarity and G-H color. The shank is stamped with French gold hallmarks. This ring is currently a size 6.