There was also a recent article on the topic in the WSJ, with an interview from the DeBeers CEO: https://www.wsj.com/business/retail/de-beers-diamonds-price-la

There was also a recent article on the topic in the WSJ, with an interview from the DeBeers CEO: https://www.wsj.com/business/retail/de-beers-diamonds-price-lab-grown-468b33ab?gaa_at=eafs&gaa_n=ASWzDAgNW4o4cPh_1AjbLlkcwULm9rtK-Ot4CKwfqeLc1gQYD1AReI7lW_rhasC-BNo%3D&gaa_ts=68865a54&gaa_sig=tTRHhZpqMbPE67MPKhWBCZZLMh8dP-f0vCYGJR_PSn-O1LNd37P_OyqjtXpvug15vB2v-LAGRZ3MS4DVb-lylw%3D%3D https://www.wsj.com/business/retail/de-beers-diamonds-price-... In it he calls lab grown diamonds a "huge con", though doesn't really explain why...