Cubic zirconia hearts & arrows is a style of cut used for round brilliant diamonds cut. By using special viewer from above cubic zirconia, you can notice the patter of eight arrowheads in crown region and pattern of eight heart shapes in pavillion region which assures that the cubic zirconia quality gem is a perfect cut.
Cubic zirconia hearts & arrows cut possess a lot of similarities as real diamonds. Therefore, cz is considered as a great affordable substitute for real diamonds. Only an expert can tell the difference between CZ and real diamonds. There are some differences between cubic zirconia and diamond including weight, hardness, and rainbow flashing light. CZ is about 75% heavier than diamond. CZ ranks at 8.0 to 8.5 on the Mohs scale of hardness. Naked eye can easily fool CZ for a diamond.