This is an amazing 18k gold engagement ring. The ring is centered with a lovely oval cut Ceylon sapphire that weighs 4.85ct. The sapphire is accentuated by sparkling round cut diamonds and fancy yellow diamonds that weigh approximately 1.50ct. The color of the diamonds is G-H with VS clarity. The top of the ring measures 15mm by 12mm. The ring weighs 5.7 grams. The ring is size 4 but it can be resized.