Rough Octahedral Miners' Diamonds from Japan
Natural rough octahedral crystals designated as miners' diamonds for high-pressure drilling in oil and gas exploration. HTS 7102.29.0020 covers these other industrial diamonds due to their unmounted, unworked state and mining-specific application. Ideal for polycrystalline diamond compact production.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Attach gemmological institute reports confirming industrial grade and octahedral habit
• Declare carat weight precisely; discrepancies lead to valuation disputes
• Avoid selling as sets with tools, which could classify under tooling headings