The largest precious gemstone ever found, though unfaceted, was a stone of what type found in Bahia, Brazil?

The Bahia Emerald is a giant, 840-pound emerald that is the largest precious gemstone ever found. Though yet unfaceted, the massive stone contains more than 180,000 carats of emerald and has been valued by some at more than $400 million.

Asked by Ben Jenkins · Last updated 2 years ago · 13.9K views