Description

Cubic zirconia, or CZ, is zirconium oxide (ZrO2), a mineral that is extremely rare in nature but easily synthesized for use as a diamond simulant. Synthesized cubic zirconia is hard, optically flawless, and can be made in a variety of colors, including white, black, yellow, orange, green, red, purple, pink, and golden brown. Mohshardness: 8.5