Alrosa has discovered a 468.30-carat fancy amber-colored diamond, the largest gem-quality rough stone ever found in Russia, surpassing the miner’s previous record of 401 carats set in 2013. The historic stone was recovered from one of Alrosa’s mines in the Yakutia region, the company announced last week. CEO Pavel Marinychev highlighted the timing of the discovery, which follows the unveiling of the “New Sun,” a fancy vivid yellow diamond over 100 carats—the largest ever manufactured
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