7102.21.10/Rough Miners' Diamonds from Kimberley Mine/China

Rough Miners' Diamonds from Kimberley Mine from China

These are unworked miners' diamonds extracted directly from primary diamond mines like Kimberley, featuring irregular shapes and natural inclusions typical of rough industrial-grade stones. Classified under HTS 7102.21.10 as miners' diamonds, which are specifically diamonds in the natural state from mining operations, not subjected to sawing, cleaving, or bruting. They are primarily used in industrial applications such as drilling and cutting tools due to their hardness.

Duty Rate — China → United States

35%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

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Import Tips

• Verify origin certificates from recognized mines to confirm 'miners' diamonds' status and avoid reclassification as sorted rough diamonds

• Provide geological assay reports documenting natural unworked state, as any processing like sorting by size may shift to 7102.21.30

• Declare exact weight and caratage accurately; common pitfalls include undervaluation leading to audits on industrial vs gem-quality distinctions