Start-up is selling lab-grown diamond rings at a 30% discount—jewelers couldn't tell the difference

When Jason Payne set out to find his girlfriend the perfect engagement ring, he was already facing more pressure than most men looking to take the plunge. His girlfriend had ethical concerns and didn't want to risk sporting a "blood diamond," one mined in a conflict-riddled region of Africa where the sale of the stone helps fuel violence. So instead, Payne proposed with a sapphire ring and felt good about his decision.
Read more: https://www.cnbc.com/2018/06/04/ada-diamonds-sells-lab-grown-diamonds-and-jewelers-cant-tell.html?source=Snapzu