Because both sparkles like diamond, cubic zirconia and crystals are the materials that are often used on the jewelry but do you know the difference between these two materials? let me briefly explain it to you.
Crystals and cubic zirconia are made of two completely different materials. But we don't need to know its specific chemical materials, we just need to observe them from appearance and quality.
Firstly, most crystals usually have a coating on the bottom so that manufacturers can easily attach it to jewelry. Crystals are usually set in brass to take advantage of the reflective quality of the metal backing, which gives the crystals its sparkle. So when it is glued on jewelry, usually you will see the black edge of the crystals. Like this:
Which is better? Which is more sparkling?
It's hard to judge which one is better. The key lies in what jewelry price you want.