7 Most Expensive Minerals in the World

 Diamond – $1,800 Per Carat

Today, De Beers has become the world’s largest diamond mining company, and it has been producing diamonds since its founding in 1888. While we are all familiar with white diamonds, some of the most expensive to ever be sold are the red diamond and pink diamond, two variations of fancy colored diamonds that are even rarer than their white counterparts.

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