Cubic zirconia also known as CZ is the cubic crystalline form of zirconium dioxide. The cubic zirconia is often compared to a diamond due to its visual appearance, however, because of its durability and low cost, this stone is a very popular option and the best diamond alternative out there.
In its purest form, cubic zirconia is usually colorless but can be made into a variety of colors. On the Mohs scale, it is classed quite hard around 8-8.5.
There are several differences between cubic zirconia and diamond. A diamond is much harder than cubic zirconia, it is the hardest stone there is.
When it comes to the price, you’ll find that rings that feature cubic zirconia are much cheaper to buy in comparison to a diamond, making them an affordable option. Cubic zirconia will tend to weigh slightly more than a diamond ring.