This is a gorgeous platinum engagement ring from the 1950's. The vintage ring is set with a vivid blue cushion cut Ceylon sapphire that weighs approximately 3.96ct. The sapphire is accentuated by dazzling square cut diamonds that weigh approximately 0.50ct. The color of these diamonds is F with VS clarity. The ring is size 6 1/2 but it can be resized. The ring is stamped PLAT.