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Rough Natural Diamond Close Rough from Japan

A natural diamond in its close rough state, where it has been minimally bruted to approximate the final shape without further faceting or polishing. Classified under HTS 7102.31.00.00 as nonindustrial unworked or simply bruted diamond, intended for gemstone use rather than industrial applications.

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

Obtain Kimberley Process Certificate for all rough diamond imports to verify conflict-free origin

Provide accurate documentation of weight in carats and basic shape; declare as nonindustrial to avoid reclassification

Avoid common pitfalls like mislabeling as worked if any polishing is evident, leading to audits

Rough Natural Diamond Close Rough from Japan — Import Duty Rate | HTS 7102.31.00.00