Fifth largest diamond in history sells for $40 million

The 910-carat Lesotho Legend was sold for $40 million in a tender in Antwerp, Gem Diamonds Ltd. said Tuesday. The company found the stone, which is about the size of two golf balls, at its Letseng mine in the African country this year.

While it’s the most Gem has yet received for a diamond, other companies have sold for more. Lucara Diamond Corp. got a record $63 million for an 813-carat stone last year and $53 million for the 1,109-carat diamond it found at the same time, which was the second-biggest in history.

And another 2 precious world biggest diamonds Niravmodi and Mehul choksi escaped out of India. The Letseng mine is famous for the size and quality of the diamonds it produces and has the highest average selling price in the world. Gem sold a 357-carat stone for $19.3 million in 2015 and in 2006 found the 603-carat Lesotho Promise.

So far this year, the company has found six diamonds bigger than 100 carats, putting it on track for its best year yet. Twitter Appoints ‘Distinguished Software Engineer’ Parag Agrawal as New Chief Technology Officer

Parag Agrawal appointed COO of Twitter

Twitter has appointed distinguished software engineer Parag Agrawal, an alumnus of the Indian Institute of Technology at Mumbai, as its chief technology officer, according to an update at the micro-blogging site. The Indian American computer scientist takes the position most recently held by Adam Messinger, who left in late 2016, CNBC reported March 8.

The appointment of Agrawal, who completed his doctorate in computer science from Stanford University in 2011, was announced internally in October 2017. Agrawal joined Twitter in October 2011 as an ads engineer, and he most recently held the title of distinguished software engineer.

Before joining Twitter, he did research internships at AT&T, Microsoft and Yahoo. His contributions at Twitter include leading efforts to increase the relevance of tweets in Twitter users’ timelines using artificial intelligence. AI also helps Twitter in preventing abuse on the social network.

“In his capacity as CTO, he’s focused on scaling a cohesive machine learning and AI approach across our consumer and revenue product and infrastructure teams,” a Twitter spokesman told CNBC.

Twitter also announced this week that it intends to hire a director of social science in an attempt to “increase the collective health, openness and civility of public conversation” on its platform.

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