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Mf Section C Manufacturing
NIC 2025 MoSPI source

NIC 321102 - Production of lab-grown diamonds and working (Cutting, polishing, finishing) of diamonds

NIC 321102 classifies production of lab-grown diamonds and working (cutting, polishing, finishing) of diamonds as a final six-digit manufacturing activity under Section C and Division 32. Use it when this activity is...

Level Sub-class
Depth 5/5
Children 0
Last verified 2026-04-21

In this section

321101
Manufacture of jewellery of gold, silver, and other precious or base metals, metal clad with precious metals or precious or semi-precious stones, or combinations thereof
321102
Production of lab-grown diamonds and working (Cutting, polishing, finishing) of diamonds
321103
Production of precious and semi-precious stones (excluding diamond) in the worked state, including the production and working of industrial quality stones and synthetic or reconstructed precious or semi-precious stones
 321104
Production of worked/ cultured pearls
 321105
Manufacture of coins, including coins for use as legal tender, whether or not of precious metal
 321199
Manufacture of other jewellery and related articles n.e.c.
← 321101 321103 →

Official note

Class 3211 note from source layer

This class excludes: - manufacture of non-metal watch bands (fabric, leather, plastic etc.), see 1512 - manufacture of articles of base metal plated with precious metal (except imitation jewellery), see division 25 - manufacture of watchcases, see 2652 - manufacture of (non-precious) metal watch bands, see 3212 - manufacture of imitation jewellery, see 3212