HS Code 7104.21 : Synthetic or reconstructed precious or semiprecious stones, whether or not worked or graded but not strung, mounted or set; ungraded synthetic or reconstructed precious or semiprecious stones, temporarily strung for convenience of transport, Other, unworked or simply sawn or roughly shaped, Diamonds
The 6-digit Harmonized System (HS) code for synthetic or reconstructed precious or semiprecious stones, whether or not worked or graded but not strung, mounted or set; ungraded synthetic or reconstructed precious or semiprecious stones, temporarily strung for convenience of transport, other, unworked or simply sawn or roughly shaped, diamonds is 7104.21. Under the 2026 Thailand (Thai Customs), the representative MFN general duty rate is 5% [Thai Customs Department].
Import Duty Rates by Destination
MODULE 5: THAILAND IMPORT DUTY & TAX BREAKDOWN
Get Real-Time Tariff & Trade Remedy Change Alerts for HS 7104.21
Receive an automated email notification whenever USITC or CBP publishes duty rate adjustments or customs notices for 7104.21.
MODULE 6: Mandatory Customs Entry Document Matrix
Commercial Invoice
Itemized description, currency, Incoterms, seller/buyer details, and country of origin.
Packing List & Bill of Lading
Gross/net weight, container/seal numbers, piece count, and transport B/L or Air Waybill.
Certificate of Origin (If Claiming FTA)
Required only when claiming zero-duty preference under USMCA, KORUS, or GSP.
MODULE 7: Regulatory Compliance & Partner Government Agency (PGA) Flags
MODULE 8: TH Trade Remedies & Safeguards
MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)
| Agreement Code | Trade Agreement / Program | Preferential Rate | Rules of Origin (RoO) Requirement |
|---|---|---|---|
| MFN | WCO Most-Favoured-Nation (MFN) Status | Standard MFN Rate | Applies to all WTO member states for Synthetic or reconstructed precious or semiprecious stones, whether or not worked or graded but not strung, mounted or set; ungraded synthetic or reconstructed precious or semiprecious stones, temporarily strung for convenience of transport, Other, unworked or simply sawn or roughly shaped, Diamonds. |
| FTA | TH Preferential & Regional Trade Agreements | Free / Concessional | Subject to official Certificate of Origin & Rules of Origin (RoO) requirements. |
MODULE 10: Logistics, Freight & Transport Specifications
MODULE 11: Thai Customs Advance Tariff Ruling
Legally binding advance classification rulings issued by Thai Customs Department for HS 7104.21.
Query official Thai Customs portal:
Search Official Thai Customs Portal for 7104.21 →Thailand Declarable Tariff Items (7104.21)
National line-level (8/10-digit) detail for Thailand (Thai Customs): coverage in progress.
Universal 6-digit WCO backbone applied rate: 5%. Confirm the full national commodity code at the official source (Thai Customs Department).
MODULE 12: Candidate Subheadings & Related Codes
| Related HS Code | Heading Category | Action |
|---|---|---|
| 7104.10 | Subheading under Heading 7104 | HS 7104.10 undefined Duty & Entry Rules → |
| 7104.29 | Subheading under Heading 7104 | HS 7104.29 undefined Duty & Entry Rules → |
| 7104.91 | Subheading under Heading 7104 | HS 7104.91 undefined Duty & Entry Rules → |
| 7104.99 | Subheading under Heading 7104 | HS 7104.99 undefined Duty & Entry Rules → |
Official Primary Sources & Authority References
Thai Customs Department ↗
Official Thai customs tariff schedule and general duty (อากรขาเข้า) rates.
Thai Customs Advance Tariff Ruling System ↗
Thai Customs Department binding advance tariff classification rulings database.