This is a stunning platinum engagement ring. The ring is centered with a lovely cushion cut Ceylon sapphire that weighs 3.11ct. The sapphire is accentuated by sparkling round cut diamonds that weigh approximately 0.50ct. The color of these diamonds is F with VS1 clarity. The top of the ring measures 10mm by 10mm. The ring is size 6 3/4 but it can be resized. The ring is stamped 18K 750 and weighs 4.5 grams.