Set in a Tiffany & Co. necklace, it sold for $4.2 million, the highest price and price per carat paid for a Paraíba tourmaline at auction.
Alrosa, De Beers Note Muted Demand for Diamonds
Diamond sales for both are lagging behind last year due to a few factors.

New York—Diamond sales for both De Beers Group and Alrosa are lagging behind last year due to macroeconomic conditions and continuing issues with financing in India, the companies said.
De Beers announced Tuesday that in its fourth sales cycle of the year, sightholders and auction customers purchased $415 million in rough diamonds, a 25 percent drop from $554 million in the same period last year.
It is also a decline from the third sales cycle when rough diamond sales reached $581 million.
To date in 2019, De Beers’ rough diamond sales have totaled $1.99 billion, down from $2.31 billion in the same period last year.
CEO Bruce Cleaver pointed to the “backdrop of macroeconomic uncertainty” and noted that the industry is entering a seasonally slower period for rough diamond sales because factories in India will close for the standard summer break.
Here is a chart outlining De Beers’ sales so far in 2019.
2018 2019 First sales cycle $672 million $500 million Second $563 million $496 million Third $524 million $581 million Fourth $554 million $415 million (provisional) Fifth $581 million Sixth $533 million Seventh $503 million Eighth $482 million Ninth $442 million Tenth $544 million
Meanwhile, rival Alrosa reported last week that April sales of rough and polished diamonds totaled $318.7 million, down 21 percent from sales of $405.3 million in April of last year.
Rough diamond sales amounted to $315.8 million, compared with $396.2 million in April 2018, while polished sales declined more sharply, dropping from $9.1 million to $2.9 million.
Year-to-date, Alrosa has sold $1.32 billion in rough and polished diamonds, down 34 percent from $2.01 billion at this point last year.
Evgeny Agureev, the director of Alrosa’s United Sales Organization, called global demand for diamonds “somewhat weaker” so far this year, due to mid-stream Indian companies still struggling to access affordable financing and the inherent cyclicality of the market.
He said: “The company maintains a moderately positive outlook for the foreseeable future, expecting the market situation to improve in the second half of the year.”The Latest

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