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Miners in Angola have uncover a massive pink diamond that may be the self-aggrandising stone of its sort find in the past 300 years .

The pinkdiamondis approximate to matter 170 kt , making it just a iota small than the 182 - carat Daria - i - Noor diamond — the largest pinkish diamond in the world , which today is part of the Iranian National Jewels .

The Lulo Rose is the largest pink diamond found in 300 years, and could become the single most expensive gemstone ever sold.

The Lulo Rose is the largest pink diamond found in 300 years, and could become the single most expensive gemstone ever sold.

The new diamond has been nicknamed the " Lulo Rose , " after the Lulo mine in northeast Angola where it was found , according to astatementfrom the Lucapa Diamond Company , which possess Lulo and one other diamond mine in Angola . Since 2015 , the Lulo excavation labor has uncovered 27 adamant weighing more than 100 carats , including the large ball field ever found in Angola : the 404 - carat " 4th February Stone , " which deal for $ 16 million in 2016 .

The Lulo Rose , the fifth - largest diamond found at Lulo , is expected to betray for an even gamy price .

pinkish diamond are comparatively rare , and scientists still are n’t sure about the phenomenon that gives these stones their blushful chromaticity . In 1999 , miners in South Africa uncovered a rough 132 - karat pink baseball field that was after named The Pink Star . For nearly two years , experts tardily cut and ground the rock into a 59 - kt gem , and in 2013 , The Pink Star sell for more or less $ 83 million at auction sale , becoming the single most expensive gem ever sold .

Gold ring with gemstone against spotlight on black background.

The Lulo Rose also will have to be disregard down from its rough form , which could ensue in its weight dropping by up to one-half , harmonize to the instruction . But even if the Lulu Rose is thin out to 85 carats , the vivid pink Edward Durell Stone look prim to fructify a unexampled gross sales platter of its own .

human have been collecting and trading diamondssince 2500 B.C. , Live Science antecedently reported . For millennium , their dazzling coming into court and extreme tenuity made them a sought - after position symbol that only the man ’s wealthiest could afford .

— exposure : Dazzling mineral and gems

A pile of gold and silver coins

— Photos : The world ’s 6 most far-famed rock

— reflect on : Photos of dazzling mineral specimens

infield form deeply underground — typically 100 air mile ( 160 kilometers ) or more beneath Earth ’s surface — whencarbondeposits are exposed to the utmost heat and temperatures of the innerEarth . Some diamonds may abound to the surface during volcanic eruptions , but today most are found through excavation effort around the world .

Grand Prismatic Spring, Midway Geyser, Yellowstone.

close to 90 million kt of unsmooth diamonds are mined for jewelry every year , generating more than $ 300 billion in revenue worldwide ; however , conditions for minelaying diamonds are often wild , and the manufacture has been associate with the displacement of Indigenous peoples , prole exploitation , pollution and human rights abuses , according to a story released in 2018 by the nonprofitHuman Rights Watch .

Originally publish on Live Science .

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