Oval sapphire halo engagement ring. Daisy ring that refers to the famous ring of Princess Diana. Natural diamonds and natural blue sapphire, set in 18k white gold. The sapphire is CERTIFIED by a gemological institute. You can notice that it's a Ceylon sapphire, coming from Sri Lanka, from which the most beautiful blue sapphires in the world come from. Perfect as promise ring, it has an intense and luminous oval sapphire. Very uniform color. Art deco ring with a romantic design, always in…