JSC «Severalmaz» is a Russian diamond mining company.
It is a subsidiary of JSC "Alrosa" and holds a license for Europe's largest Lomonosov diamond mine, in Arkhangelsk Oblast, with reserves of 220 million carats of rough diamonds.
[2] On September 21, 2017, TASS news agency reported Alrosa's most expensive gem to date, a 28.65 carat pink diamond.
The gem is reported to be of jewelry quality, measuring 22.47 x 15.69 x 10.9 millimetres, with a saturated pink tone and practically no defects, according to Alrosa.
[3] The pink diamond was mined by subsidiary Almazy Anabara, operator of the Severalmaz kimberlite pipes and placer deposits near rivers in the northwest part of Yakutia.