Cleaved Industrial Miners' Diamonds 3-5 Carat from Japan
Natural rough diamonds from mining operations, simply cleaved into 3-5 carat pieces for industrial saw blades and grinding wheels. Classified under 7102.21.10.20 as unworked miners' diamonds, not suitable for jewelry due to industrial grade imperfections. Key component in geological exploration tools.
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
• Laser-inscribe unique KP numbers on larger parcels (>1 carat) for traceability during customs inspection
• Avoid common pitfall of declaring total weight without distinguishing industrial vs potential gem parcels
• Consult CBI for advance ruling on specific miner diamond grading to lock in classification