Russian mining giant Alrosa has announced the recovery of an irregular-shaped diamond weighing 390.7 carats – Alrosa’s largest recovery in a decade,” according to IDEX Online. The gem is described “as a light crystal of irregular shape, bordered by a yellow-brown halo.”    The stone was recovered by Alrosa’s subsidiary

Russian mining giant Alrosa has begun building a new “giant” mine to replace Mir, which was closed in 2017. The new mine will be called Mir-Gluboky, according to Mining Weekly.   Alrosa’s CEO Pavel Marinychev said the project would require an “estimated investment of 121.5-billion roubles ($1.26-billion), with production to