Things have changed very dramatically since you looked: https://www.reuters.com/article/us-diamonds-debeers-synthetic-analysis/lab-grown-diamond-prices-slide-a

Things have changed very dramatically since you looked: https://www.reuters.com/article/us-diamonds-debeers-synthetic-analysis/lab-grown-diamond-prices-slide-as-de-beers-fights-back-idUSKCN1OK0MQ https://www.reuters.com/article/us-diamonds-debeers-syntheti...