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Planet Money buys a mystery diamond

The Planet Money mystery diamond
Sarah Gonzalez
/
Sarah Gonzalez
The Planet Money mystery diamond

The deal seemed too good to be true. There's a website that's been selling top quality diamonds at bizarrely low prices. Prices we couldn't find at any retail outlet. Prices so low, we could buy a diamond on a public radio budget. So we did. What we got in the mail was a tiny ziploc bag containing a scintillating mystery.

On today's show: the Planet Money Diamond (or whatever this sparkly rock turns out to be). We get it analyzed by the experts at the Gemological Institute of America. We investigate where it came from. And, we dive into the economics of glittery stones. Was this a new kind of internet scam? Some supply chain anomaly? Or is something just really weird going on in the world of diamonds?

This episode was produced by James Sneed. It was edited by Keith Romer with help from Jess Jiang, fact-checked by Emma Peaslee, and engineered by Kwesi Lee. Alex Goldmark is our executive producer.

Find more Planet Money: Facebook / Instagram / TikTok / Our weekly Newsletter.

Listen free at these links: Apple Podcasts, Spotify, the NPR app or anywhere you get podcasts.

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Music: SourceAudio - "Peacock Ecstasy," "Diamond in the Rough," and "Sun Side."

Copyright 2025 NPR

Jeff Guo
Jeff Guo (he/him) is a co-host and reporter for Planet Money, NPR's award-winning podcast that finds creative, entertaining ways to make sense of the complicated forces that move our economy. He joined the team in 2022.
Sarah Gonzalez
Sarah Gonzalez is a host and reporter with Planet Money, NPR's award-winning podcast that finds creative, entertaining ways to make sense of the big, complicated forces that move our economy. She joined the team in April 2018.
James Sneed
James Sneed began his career at NPR as Planet Money's Winter 2020 intern. Previous to that, Sneed worked at KBOO Community Radio and attended the Transom Story Workshop. His other professional experience includes Open Signal Media Center, KSMoCA and MASS MoCA. Currently, Sneed is an associate producer with Planet Money where he has produced stories about a comic book character from the public domain, the business of Black joy and the Christmas tree market — as well as reported on the racial wealth gap, the NCAA at the Supreme Court and why the New York Mets don't always Mets everything up... necessarily.
Keith Romer has been a contributing reporter for Planet Money since 2015. He has reported stories on risk-pooling among poker players, whether it's legal to write a spin-off of the children's book Goodnight Moon and the time one man cornered the American market in onions. Sometimes on the show, he sings.