Arctic Blue Diamonds Ltd. ("Arctic Blue"), a private NWT diamond company, today announced the acquisition of an 89.7 percent interest in the WO Diamond Project, which hosts the large, high-grade DO27 ...

MURFREESBORO, Ark. — Visitors to the Crater of Diamonds State Park have unearthed an early 20th-century wooden water pipe that a park interpreter says once was used to help mine gems. The 4-foot ...

Alrosa’s (MCX:ALRS) International mine produced this month the largest gem-quality diamond seen in the past two years. In a press release, the world’s top diamond miner by output revealed that ...

Diamonds might be forever but that doesn't stop them being bought and sold. One stone thought to have once belonged to Marie ...

A21 is the fourth diamond pipe of the project and was opened by Rio Tinto in 2018. The company made the decision to go ahead with Phase 1 in February 2023, investing US$40 million.

The company’s business unit Aikhal Mining accounted for over 30% of Alrosa’s total raw diamonds in 2016. It generated 12.2 million carats, worth $1.2 billion, according to the firm.

Pit-mining is the most common way to recover diamonds. In pit mining, heavy machinery, hydraulic shovels, and trucks are used to mine diamonds from the depths of kimberlite pipes Wikimedia Commons ...

The pipes narrow as they descend into the Earth as far as 100 to 150 miles. ”Worldwide, the only types of rocks to have contained diamonds have been kimberlites,” Van Alstine said.

That’s where mining has an advantage.” Diamonds, mined or grown. ... pipe-shaped volcanic formations created by violent eruptions that mostly occurred hundreds of million years ago.

The mine consists of three main kimberlite pipes, which together yield millions of carats of diamonds each year. In 2023 alone, Jwaneng produced 13.3 million carats, making it the most valuable ...

Arctic Blue Diamonds Ltd. ("Arctic Blue"), a private NWT diamond company, today announced the acquisition of an 89.7 percent interest in the WO ...