Alro S.A. announced sales results for the month and ten months ended October 2018. For the month, the company reported sales of rough and polished diamonds totaled $242.8 million, a 28% decline on September's sales of $338.7 million. Rough diamond sales was $233.9 million, polished diamond sales was $8.9 million.

For the ten months, the company reported that the company's total diamond sales grew 6% year-on-year to $3.9 billion. During the ten months of 2018, rough diamonds were sold for $3.8 billion and polished diamonds for $83 million.

Alrosa to lower its sales guidance for 2018 by 6%, to 37-38 million tonnes carats.