Scientists may have pinpointed the true origin of the Hope Diamond and other pristine gemstones

Researchers may have found the true origin of the Hope Diamond, the Koh-i-noor and other famous, flawless gemstones. 

These diamonds, known collectively as the Golconda diamonds, are special because they have few inclusions and are very low in nitrogen, making them very clear and free of sparkle-disrupting flaws. They are also large. The Koh-i-noor, now one of the British Crown Jewels, weighs a whopping 105.60 carats. The Hope Diamond, held at the Smithsonian’s National Museum of Natural History in Washington, D.C., weighs 45.52 carats. 

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