This is an amazing platinum engagement ring. The ring is centered with a sparkling GIA certified round cut diamond that weighs 0.62ct. The color of the diamond is J with VS1 clarity. The center diamond is accentuated by dazzling round cut diamonds that weigh approximately 0.35ct. The color of these diamonds is H with VS clarity. The top of the ring measures 10mm by 14.5mm. The ring is stamped PLATINUM 5% IRID and weighs 2.7 grams. The ring is size 4 1/2 but it can be resized.