Brazil NCM · 8-digit code

NCM 7104.91.00 – Worked synthetic diamonds

NCM 7104.91.00 (also written 71049100) is Brazil's code for worked synthetic diamonds. Its first 6 digits are HS code 7104.91.

Official description of NCM 7104.91.00

PortuguêsOfficial
Diamantes
EnglishUnofficial translation

Stones; diamonds, n.e.c. in heading 7104, worked or graded but not strung, mounted or set; ungraded synthetic or reconstructed precious or semi-precious stones, temporarily strung for convenience of transport

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2022 (Res Gecex 272/2021).

How to read NCM 7104.91.00

71Chapter 04Heading 91Subheading

HS code 7104.91
Same in every country

0Item 0Subitem

Added by Mercosur
Brazil, Argentina, Paraguay, Uruguay

The first 6 digits are the international HS code, so their meaning is the same in every country; Brazil publishes the text in Portuguese. The last two digits are 00 because Brazil does not split this HS code further. The full 8-digit code is used on import declarations (DUIMP), invoices (NF-e) and tax filings.

Full classification path

  1. Chapter 71 Natural, cultured pearls; precious, semi-precious stones; precious metals, metals clad with precious metal, and articles thereof; imitation jewellery; coin Pérolas naturais ou cultivadas, pedras preciosas ou semipreciosas e semelhantes, metais preciosos, metais folheados ou chapeados de metais preciosos (plaquê), e suas obras; bijuterias; moedas.
  2. Heading 71.04 Stones; synthetic or reconstructed precious or semi-precious, whether or not worked or graded but not strung, mounted or set; ungraded synthetic or reconstructed precious or semi-precious stones, temporarily strung for convenience of transport Pedras sintéticas ou reconstituídas, mesmo trabalhadas ou combinadas, mas não enfiadas, nem montadas, nem engastadas; pedras sintéticas ou reconstituídas, não combinadas, enfiadas temporariamente para facilidade de transporte.
  3. Group 7104.9 Other: Outras:
  4. Subheading 7104.91 Stones; diamonds, n.e.c. in heading 7104, worked or graded but not strung, mounted or set; ungraded synthetic or reconstructed precious or semi-precious stones, temporarily strung for convenience of transport
  5. Subitem 7104.91.00 Stones; diamonds, n.e.c. in heading 7104, worked or graded but not strung, mounted or set; ungraded synthetic or reconstructed precious or semi-precious stones, temporarily strung for convenience of transport Diamantes

Questions about NCM 7104.91.00

What is NCM 7104.91.00?

NCM 7104.91.00 (71049100) is the Brazilian (Mercosur) code for worked synthetic diamonds. Its official Portuguese description is “Diamantes”.

What is the HS code for NCM 7104.91.00?

HS 7104.91 (Stones; diamonds, n.e.c. in heading 7104, worked or graded but not strung, mounted or set; ungraded synthetic or reconstructed precious or semi-precious stones, temporarily strung for convenience of transport). The first 6 digits of an NCM code are its international HS code; the last 2 digits are Brazil's own split.

Is an NCM code the same as an HS code?

The first 6 digits are the same in every country. NCM adds an item digit (7th) and a subitem digit (8th). A code ending in 00 means Brazil does not split that HS code further.

Which countries use NCM 7104.91.00?

All Mercosur members use the same NCM codes: Argentina, Brazil, Paraguay and Uruguay.

Source: Siscomex Classif NCM table, updated Oct 2026 (Resolução Gecex nº 926/2026). The Portuguese text is the official one; the English is our translation.