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7104.21.00.00/Lab-Created Diamond Sawing Blocks/Japan

Lab-Created Diamond Sawing Blocks from Japan

Synthetic diamond blocks prepared for sawing into individual stones, roughly shaped with minimal processing. HTS 7104.21.00.00 for these unmounted synthetic diamonds in bulk form.

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%
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Import Tips

• Bulk blocks often in lots; declare total carat weight accurately

• Sawing lines permitted as 'simply sawn'; no further shaping