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Petra Finds Five Rare Blue Diamonds
Johannesburg: Struggling gem producer Petra Diamonds Ltd. found five blue stones, typically among the most valuable in the world, at its flagship mine in South
17 September 2020
Johannesburg: Struggling gem producer Petra Diamonds Ltd. found five blue stones, typically among the most valuable in the world, at its flagship mine in South
Johannesburg: In what is shaping up to be one of most the amazing diamond finds in recent times, a 122.52 ct. blue diamond—the size of