The Cubic Zirconia engagement rings are said to be the affordable alternative to the luxurious natural diamond engagement rings. These engagement rings are perfect for those people who are romantic and those who want the best for their dearest someone. Engagement rings are not required to be so expensive. As they say it is the thought that counts most. You could still be able to show your love and affection to your partner even if you do have the most expensive rings in the world.