This is cubic zirconia that I got from a costume shop.

这是人造钻石我从服装店买来的。

I think some people believe that laboratory-grown diamond means fake diamond, that it's cubic zirconia, or Moissanite, that it's some sort of diamond simulant.

我认为有些人认为实验室培育的钻石意味着假钻石，认为它是立方氧化锆，或者是莫桑石，它是某种钻石模拟物。

He talks us through how the industry ended up here, and for the record, these are cubic zirconia.

他向我们讲述了这个行业是如何走到这一步的，郑重声明， 这些是立方氧化锆。