The Diam App

A ring featuring an untreated 7.16-carat Russian emerald took the top prize at the 2018 American Gem Trade Association (AGTA) Spectrum Awards. Joseph Ambalu, of...

Alrosa’s sales climbed 16% year on year to $339.1 million in July as rough demand remained strong despite the summer lull, the miner said Friday.

Alrosa brought in $1.5 million from its first polished-diamond tender in New York since it reopened its office in the city earlier this year. The...