This is an amazing platinum engagement ring. The ring is centered with a lovely oval cut sapphire that weighs approximately 4.90ct. The center stone is accentuated by sparkling shield cut diamonds that weigh approximately 1.61ct. The color of these diamonds is I with VS clarity. The top of the ring measures 13mm by 18mm. The ring weighs 7.3 grams. The ring is size 7 1/4 but it can be resized.