Many people may wonder about the necessity of buying diamond rings when its alternatives such as a cubic zirconia are available for an affordable price range. In fact, the latter mimics almost every quality of a diamond. Therefore, you may find it tempting to buy a diamond ring that may not be 100% genuine. This, however, may be a poor long-term investment, so in order to help with making this decision, below is a quick comparison on cubic zirconia engagement rings vs. diamond.