While both stones are famous for stepping in as wallet-friendly body doubles for real diamonds, their similarities pretty much end there. They come from completely different origins, have entirely different chemical makeups, and behave differently when you wear them. If you want to know what you’re actually spending your hard-earned money on, it’s time to clear things up.source https://timesofindia.indiatimes.com/life-style/fashion/jewellery/are-zircon-and-american-diamond-same/photostory/130103311.cms