This is a fabulous platinum engagement ring from the 1920s. The ring is centered with a sparkling round cut diamond that weighs approximately 1.40ct. The color of the diamond is K-L with SI2 clarity. The center diamond is accentuated by dazzling round cut diamond accents. The top of the ring measures 7mm by 16mm. The ring is stamped PLAT and weighs 4.1 grams. The ring is size 7 3/4 but it can be resized.