1948: De Beers 'A Diamond Is Forever' Campaign Invents The Modern Day Engagement Ring
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Petra Diamonds Sees Competitive Edge
De Beers Now Wants to Monopolize the Man-made Diamond Jewelry Industry
De Beers Jewellers
A Diamond Is Forever' Is Back Again, Backed by $20M
The Hidden Cost of Jewelry : Human Rights in Supply Chains and the Responsibility of Jewelry Companies
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