Cubic Zirconia (CZ) is a lab created diamond stimulant. While CZ is a transparent stone, trace elements can be added to the manufacturing process, producing a wide range of colors. On Mohs¡¯ scale of hardness scale, CZ is harder than other gemstones except for diamond, ruby, sapphire and chrysoberyl. Some of the most popular CZs are manufactured in Russia.

 

Color

 

Cubic Zirconia (CZ) is a transparent stone, trace elements can be added to the manufacturing process, producing a wide range of colors.