Blackstone, the world's largest private equity firm is likely to sign an agreement with Fosun and IGI's other shareholders by the end of this week
Many in the industry refuse to deal in Russian gems following the invasion of Ukraine and after mining giant Alrosa PJSC was hit with US sanctions
The blossoming popularity of lab-grown diamonds - and production in China and India - is another potential headwind for miners of natural gems
Prices of these precious stones are volatile and one needs to have a long investment horizon