This is an amazing platinum engagement ring. The ring is centered with a sparkling GIA certified old mine cut diamond that weighs 0.87ct. The color of the diamond is H with SI1 clarity. The center diamond is accentuated by dazzling old mine and round cut diamonds that weigh approximately 0.50ct. The color of these diamonds is H with VS clarity. The ring is size 6 3/4 but it can be resized. The ring is stamped 10% IRID PLAT and weighs 3.5 grams.