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Bruted Girdle Rough Diamonds for Abrasives from Japan

Rough industrial diamonds with bruted (rounded) girdles created by basic friction process, used in abrasive powders and coatings. HTS 7102.21.30.00 applies to these simply bruted diamonds for industrial purposes, distinguishing from gemstone preparation. Bruting here is minimal and not for jewelry faceting.

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

Declare exact bruting method and dimensions to avoid disputes over 'simple' vs advanced working

Pair with end-user letters confirming industrial abrasive application for smooth CBP review

Watch for alloy contamination; if mixed with binders over 2%, may shift to other chapters