CIBJO U-Turn: Don’t Say Lab Grown, Say Synthetic
Editor’s NoteCIBJO, the World Jewellery Confederation, is moving to enforce stricter labeling for non-natural diamonds, proposing the exclusive use…
4Cs grading system
【USA】GIA to Discontinue 4Cs Grading System for Lab-Grown Diamonds
Editor’s NoteThe GIA’s decision to stop grading lab-grown diamonds using the 4Cs system marks a pivotal step in distinguishing them from natural…