This is an amazing platinum engagement ring. The ring is centered with a sparkling old mine cut diamond that weighs approximately 1.55ct. The color of the diamond is K with VS1 clarity. The center diamond is accentuated by dazzling round cut diamond accents. The top of the ring measures 8.5mm by 17mm. The ring is stamped PLAT and weighs 4.5 grams. The ring is size 6 1/4 but it can be resized.