Type IIa Lab Diamond Rounds
Type IIa synthetic diamond rounds, ultra-pure with low nitrogen content, sized 2-3mm. These lab-grown diamonds are worked and unmounted, placing them under tariff item 7104.91.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the diamonds are natural and unworked
Natural diamonds, unworked or simply sawn, cleaved or bruted, are classified under this heading.
If the diamonds are set in jewellery
Jewellery articles with precious metal and precious stones fall under this heading.
If the stones are synthetic but not diamonds
Other synthetic or reconstructed precious or semi-precious stones are classified here.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the diamonds are not strung or mounted at the time of import
• Provide Type IIa certification and clarity grading documents to the CBSA
• Be aware that the duty rate applies to the customs value, which includes the cost of the diamonds and any associated charges
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