This is an amazing diamond platinum engagement ring. The ring is centered with a sparkling GIA certified round brilliant diamond that weighs 1.05ct. The color of the diamond is L with VS2 clarity. The center diamond is accentuated by dazzling round cut diamond accents. The top of the ring measures 6.5mm in diameter and weighs 3.7 grams. The ring is size 4 1/2 but it can be resized.