This is an amazing platinum engagement ring from the Art Deco era. The ring is centered with a sparkling GIA certified old European cut diamond that weighs 1.25ct. The color of the diamond is K with SI2 clarity. The center diamond is accentuated by dazzling round cut diamond accents. The top of the ring measures 11mm by 16mm. The ring is stamped PLAT and weighs 5.3 grams. The ring is size 8 1/2 but it can be resized.