The 187.63 carat Foxfire Diamond (Amadena Investments LLC)

It’s sounds like catnip for a supervillain: the Foxfire Diamond, discovered just last year in Northwest Canada’s Diavik Diamond Mine, makes its public debut this morning at the Smithsonian’s National Museum of Natural History.

The enormous, uncut precious gem is over 187 carats, the biggest such rock ever mined in North America.

Industry site JCK spoke with Alan Davies, chief executive of diamonds and minerals at the British-Australian mining corporation Rio Tinto, about the find earlier this year. “It was a couple of billion years in the making, and totally not in our statistical models,” Davies said. “Frankly, it’s a national treasure.”

A Bloomberg story explained that it was found in an area, about 130 miles off the Arctic Cirle, where such giant gems aren’t known to exist, writing that “even in the world of rare stones, Foxfire is a freak.”

Davies told JCK that’s there’s no telling what final shape the Firefox may take.”One might want to keep it as rough, while another might want to do a 100 ct. stone in a fancy shape,” he told JCK. “Others might see if you can make a big pendant, maybe earrings in the 90 ct. range.” Asked what price this glittering discovery might fetch, Davies would only reply, “Our particular policy is not to constrain anyone else’s imagination.”

Will a supervillain swoop down upon our nation’s capital for a diamond heist of historic proportions? Or would the ambitious thief be foiled by the proximity of the famously cursed Hope Diamond, which will be on display alongside the Foxfire in the museum’s gem hall?

The Foxfire Diamond will be on display in the Harry Winston Gallery at the Smithsonian’s National Museum of Natural History.from November 17, 2016 through February 16, 2017.