Lab-grown diamonds are a fairly new phenomenon. The technology for them was developed in the 1960s by the International Diamond Laboratory, but it has continuously improved since then. Today, lab-grown diamonds are larger and better than ever before. In fact, in 2016, a 3-carat lab-grown diamond was graded by the international grading laboratory – Gemological Institute of America (GIA). Then,  in 2018, the Federal Trade Commission (FTC) expanded the definition of diamonds to include those created in labs. Clearly, lab-grown…