Now playing Next See Largest white diamond ever auctioned sells for €17.9 million The Rock, the biggest white diamond ever auctioned, sold for a hammer price of 18.6 million Swiss francs (€17.9 million), far short of the record for such a jewel. 09/05/2022
Now playing Next Eco-Innovation Millionaire creates zero-impact diamonds made from carbon dioxide The first of the climate-conscious gems has been created in a so-called 'sky mining facility' in the UK, which is powered by green energy. 06/07/2021
