Giant mining vessels: how high-quality gems are exploited from the sea

1280px-The_Daria-e_Noor_(Sea_of_Light)_Diamond_from_the_collection_of_the_national_jewels_of_Iran_at_Central_Bank_of_Islamic_Republic_of_Iran
Namibia is famous for its high-quality diamonds and is amongst the top ten producers in the world, relying heavily on the income the gems generate. Credit: Courtesy of the Collection of the national jewels of Iran at Central Bank of Islamic Republic of Iran