The Most Expensive Gemstone Ever

By:  Camila Farah

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While the pink star diamond broke its record for most expensive jewel ever sold the blue diamond holds the record for the most valuable price per carat at 3 93 million. Check out the biggest and most expensive gemstones ever discovered. The blue diamond currently holds the record of the most valuable gemstone with a price of price about 3 93 million per carat.