Cubic zirconia is a type of diamond simulant — a “fake diamond” — that is extremely affordable. However, it doesn’t hold any value over time like a real diamond and loses its luster in just a few ...

We are gathered here today to discuss an issue that grinds our gears: the number of people who mistakenly believe LabGrown diamonds and cubic zirconia are the same gemstone. This myth causes many ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...

Confused about real versus fake gemstones? Experts reveal reliable methods to verify authenticity. Visual inspection for inclusions and growth patterns, hardness tests using the Mohs scale, and ...