Global diamond company De Beers spent decades convincing couples that true love required a diamond. But now, lab-grown diamonds that are identical to naturally-mined ones are flooding the market with cheaper options and reshaping the diamond business completely. WSJ’s Jenny Strasburg takes us inside the showdown in the diamond market, and we speak to a ring shopper weighing her options. Jessica Mendoza hosts.

Further Listening:
-One American Company Taking on China's Rare-Earth Dominance
-Can Pepsi Make a Comeback?
-How Target Got Off Target

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