As valuable as diamonds are, they’re not particularly rare on Planet Earth. That’s why there’s no shortage of diamond-tipped tools and industrial equipment, which utilize the unmatched hardness of the gemstones for a variety of purposes. In one of these industrial diamond mines, however, a massive stone was unearthed that has its owners scratching their heads. What could this massive 187 carat diamond be worth?
Watch next video 50 people show us their states' accents
