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.

Diamond giant De Beers slashed the price of its precious solitaires amid plunging sales as bargain-hunting fiancées increasingly opt for cheaper lab-grown gems. Among De Beers’ larger stones ...

David DeCook, a resident of Minnesota, recently discovered a stunning 3.81-carat brown diamond while exploring Arkansas' Crater of Diamonds State Park with his family.

There's a lot of pressure, the weight of the overlying rock bearing down, so that combination of high temperature and high pressure is what's necessary to grow diamond crystals in the Earth.

It used to take the Earth 3 billion years, 2,000-degree temperatures, a little carbon and a lot of pressure to grow a diamond. Now, a new machine can do it in five days. In Kerrville, Texas ...

Tiffany & Co has unveiled two new interpretations of its Bird on a Rock watch at LVMH Watch Week. Made from diamonds and rock tsavorite, the two watches are the perfect blend of high end jewellery ...