all diamonds of sieve classes from –3+2. –2+1. –1+0.5 and –0.5,
Drilling diamonds of sieve classes from -9+7 to -4+3,
Boart diamonds of all size and weight groups.
Natural technical grade diamonds are used to manufacture tools for stone and metalworking, medicine, and to manufacture polished diamonds (including for the watch industry) and souvenirs.
ALROSA also manufactures natural diamond powders from 1,000 mkm to 40/0 mkm.
ALROSA is the largest supplier of natural technical grade diamonds to Russian and foreign markets.
To get the information on technical grade diamonds purchase and purchase procedure, call +7 (495) 745-58-58 or contact us via feedback.