Alrosa presented in St. Petersburg a rare pink diamond weighing 3.07 carats and worth more than 1.5 million dollars, TASS correspondent reports.
Pink and blue diamonds are the rarest on the planet, they make up 0.1% of all production, said Alrosa Diamond gemologist Natalia Kruglova. The gem, estimated to be 300 million years old, was mined in 2025.