This is a magnificent 18k gold engagement ring. The ring is centered with a lovely cushion cut Ceylon sapphire that weighs 4.05ct. The sapphire has a color characteristic of cashmere sapphire. The sapphire is accentuated by sparkling round and baguette cut diamonds that weigh approximately 1.00ct. The color of the diamonds is F-G with VS clarity. The top of the ring measures 13mm by 13mm. The ring is stamped 18K750 and weighs 6.9 grams. The ring is size 7 but it can be resized.