Alrosademonstrated a unique rough diamond weighing over 232 carats, the largest gem-quality specimen found in more than three years, at Udacnhaya kimberlite pipe in Yakutia on October 19, Russia’s diamond company said in a statement. Russia’s Alrosa mines largest gem-quality crystal since 2016 weighing over 230 carats. Report – Mumbai Today. pic.twitter.com/WDOJMw7cSd — Mumbai Today…