Which groundbreaking advertising slogan from the 1940s was created for De Beers and fundamentally transformed the diamond industry by establishing diamonds as the only acceptable gemstone for engagement rings?

Throughout history, certain advertising slogans have been so impactful they've shaped entire industries and consumer behavior. These taglines didn't just sell products—they became cultural touchstones and revolutionized how companies positioned themselves in the marketplace. Test your knowledge of these historic marketing milestones that have stood the test of time!

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