Karats is a purity measurement for gold; carats is a weight measurement for diamonds. All diamonds are pure diamond. Gold, however, comes in a range of karats, from 9, 10, 14, 18, 22 and 24, which is...
478 carats On September 8th, Miners in the southern African kingdom of Lesotho found one of the world's largest diamonds, a white gem weighing 478 karats
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In 1905, the Cullinan diamond was...