When Were Cubic Zirconias Invented?

In 1937, German mineralogists M. V. Stackelberg and K. Chudoba discovered naturally occurring cubic zirconia in the form of microscopic grains included in metamict zircon.

When did cubic zirconia come out?

It took many years to invent cubic zirconias; the process lasted from 1892 until 1930 when the first cubic zirconia was introduced. It wasn't until the 1970s, however, that the cubic zirconia, sometimes abbreviated as CZ, was first used in fashion jewelry.

When was cubic zirconia first used in jewelry?

Cubic zirconia is a simulated , man-made gemstone that first came onto the market in the late 1970s. At the time, no one had seen anything like it before. Here was a gem that looked reminiscent of diamonds.