Shares in Gem Diamonds Limited (LSE:GEMD, OTC:GMDMF)) fell 18% to 3.78p on Wednesday after the company reported a $104 ...

Gem Diamonds reported a 36% year-over-year revenue decline for 2025, with full-year revenue reaching $98.4 million as the ...

Like most diamond miners, London-listed Gem Diamonds has been experiencing marked weakness in the diamond market, which led ...

On January 26, 1905, the course of gemstone history was altered forever in a small town near Pretoria, South Africa. During a routine inspection at the Premier No. 2 mine, Frederick Wells, the mine’s ...

When you think of an engagement ring, what do you picture? Perhaps a sparkling solitaire stone, or a halo of smaller gems encircling a central jewel. No matter the style, you’re likely imagining white ...

JERUSALEM, June 5 (JTA) — A diamond may be forever, but Israel’s steady supply of rough, uncut diamonds may not be. Sweeping changes in the global diamond industry and political turmoil in ...

The Canadian firm that cannot stop finding huge diamonds has found another huge diamond. This week, Lucara, the mining company led by Eira Thomas, whom I profiled recently in the magazine, announced ...

Most uncut gems are bought by dealers and jewelers, but a new business is selling them to the public. By Milena Lazazzera Uncut diamonds usually are sold to dealers or jewelers who then incorporate ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The boundary between the ...

Diamond recoveries for the March quarter were stable at 29,458ct, from 5% less ore mined (1.6 million tonnes) at a 5% higher average grade of 1.78 carats per hundred tonnes (cpht). Two diamonds ...

Russian diamond mining company Alrosa said on Tuesday global prices for rough gems may rise by two to three percent in 2014, while it plans to keep 2014 production flat. The firm, which competes with ...

Diamonds are rare, sparkling gems made entirely of carbon. They are the hardest natural material found on Earth. Right now, ...