ALBAWABA – Alrosa, a Russian group of diamond mining companies specializing in exploration, mining, manufacturing, and the sale of diamonds, has unveiled Russia’s largest-ever 100-carat diamond on the global stage. Alrosa unveils Russia’s largest-ever 100-carat diamond Alrosa, a Russian company, has unveiled its largest-ever 100-carat diamond. The company spent about two years cutting and polishing the diamond, named New Sun—a rare, vivid yellow diamond weighing over 100 carats. Notably, the ...