Story by Steve Voynick
Inside the Diavik Mine’s irst open pit; the pit’s sheer walls consist of diamondiferous kimberlite. (RIO TINTO)
In October 2018, a chicken-egg-sized, fancy-yellow gemstone of 552 carats was recovered in northern Canada. As the biggest North American diamond on record and the seventh largest ever found in the world, it will sell for tens of millions of dollars.