This is a charming diamond platinum engagement ring from the 1950s. The ring is centered with a sparkling GIA certified old European brilliant diamond that weighs 1.01ct. The color of the diamond is E with SI1 clarity. The center diamond is accentuated by impressive open work and gallery design. The ring is size 6 3/4, and can be resized. The ring is stamped PLAT with a maker's mark.