Operating margins of top diamond mining companies 2010-2021

In 2021, Russian diamond mining company Alrosa had the highest operating margin among the leading diamond producers worldwide, at 36 percent. Most of the diamond mining companies' EBIT margin was affected by the COVID-19 crisis in 2020, with all four major mining companies posting recovered EBIT margins in 2021.

于2021年，俄罗斯钻石开采企业阿尔罗萨在全球领先钻石生产商中拥有最高的运营利润率，达到36%。在2020年，由于COVID-19疫情的影响，大多数钻石开采企业的EBIT利润率受到了冲击，然而，在2021年，四大主要矿业公司均实现了EBIT利润率的恢复。