Cubic Zirconia, CZ

Cubic zirconia is a man-made gemstone that is commonly used as a diamond simulant. It is a true synthetic since a cubic form of zirconium oxide exists in nature. Cubic zirconia, or CZ, can be found in every color of the rainbow. Pink CZ was the first color developed, and most popular along with Yellow or Canary color. CZ is a very durable and affordable alternative to diamond.