These cz's are the highest quality cz's available.  Also known as Diamond CZ, they are used to replace real diamonds in window display jewellery.  If you want the best stones for your jewellery, then here they are.  It is important to choose good quality cubic zirconia for your jewellery.  Just replacing a bad quality cz with a good one can make so much difference.  If you want beautiful jewellery, then you need quality gems.

There are many types of diamond simulants available, the best in the world is Cubic zirconia.  Cubic zirconia matches a diamond perfectly, but low quality stones fade over time in the sunlight.  This stone will not fade in the sunlight and will be as hard as it possibly can be.  It is low quality stones that give CZ a bad reputation