This is an amazing diamond platinum engagement ring. The ring is centered with a sparkling cushion cut diamond that weighs approximately 1.00ct. The color of the diamond is I with SI2 clarity. The center diamond is accentuated by lovely French faceted cut sapphire and smaller round cut diamond accents. The top of the ring measures 10.5mm by 11mm. The ring is size 7 3/4 but it can be resized.