This is a gorgeous platinum sapphire diamond engagement ring. The ring is centered by a fabulous cushion cut n sapphire that weighs approximately 2.99ct. accordingly, characteristics of this vivid blue center stone shows to be the same as those stones from Ceylon. The sapphire is accentuated by sparkling square cut diamonds that weigh approximately 0.75ct. The color of the diamonds is F-G with VS2 clarity. The size of the ring is 6 3/4 but it can be resized. The ring is stamped RSN PT 900.