Science and Technology - WHAT IS RED DIAMOND? π Given their rarity, red diamonds are among the most expensive gemstones on average. Red diamonds can cost at least US$1 million per carat,
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Red Diamond's Record-Setting Price of $5.09M Puts Exclamation Point on Auction World's November to Remember | The Jeweler Blog
Nakshatra Jewellery - The Moussaieff Red Diamond is one of the world's largest and most expensive red diamond. #MostExpensiveDiamonds | Facebook
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