結果 : what company has a monopoly on diamonds
10:54

Why Diamonds are So Expensive? | De Beer's Monopoly Explained

Money Uncharted
3,975 回視聴 - 2 年前
8:45

The Shady Business of Diamonds

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14:41

The Diamond Cartel: History's Greatest Monopoly

Jake Tran
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6:30

De Beers Has Run Out of Monopoly Power: Angara Founder

Bloomberg Television
44,049 回視聴 - 4 か月前

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16:20

The Diamond Cartel: History’s Greatest Monopoly

Antonio Amaral
426 回視聴 - 4 か月前
3:54

Why Engagement Rings Are a Scam - Adam Ruins Everything

Dropout
14,255,099 回視聴 - 10 年前

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2:34

The TRUTH About Diamonds! De Beers Monopoly | Family, Wealth, & Legacy Show

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9:13

Can Diamonds Made In A Lab Replace Natural Ones? | Rise And Fall

Business Insider
1,867,983 回視聴 - 2 年前

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10:37

"They Own Everything" | THE MOST POWERFUL COMPANY IN THE WORLD

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13:10

De Beers Don't Make (Natural) Diamonds Expensive (Anymore) | The Deep Dive

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10:55

Diamonds are a Scam -(De Beers Monopoly and Cartel, Genius Marketing, Blood Diamonds, Lab Diamonds)

Alive & Curious
2,036 回視聴 - 4 か月前
1:22

If DeBeers has a monopoly in the diamond market, then:

Classtheta
0 回視聴 - 6 か月前