When purchasing a diamond for someone special or even yourself, there are a few things to keep in mind. Cubic Zirconia (CZ) is commonly mistaken for a diamond. There are few ways to actually knowing the difference unless you were to take it to a gemologist. Here are a couple steps that might help you if the diamond is real or fake. The weight of a diamond is much lighter than that of a cubic zirconia. Say you are offered a one carat diamond. If you was able to weigh it and it weighed out to about 1 and 3/4 carat then in is more than likely cubic zirconia. Another step is check the diamond for flaws. A true diamond will usually have some sort of defect where as a cubic zirconia will be completely flawless. Now referring to color of diamonds. A diamond will usually have a slight yellow or pale brown tinge to it. A cubic zirconia will completely colorless. A cubic zirconia will glisten more in the light than a diamond will, showing off different color streaks when it is turned in the light. In most cases, without having the gem appraised by a professional, you will not truly be able to tell the difference between a diamond and cubic zirconia.Take a look here to learn more: Hot Accessories Trend for Fall: Faceted Crystal Stones!