Cubic Zirconia Rough Preforms from Mexico
Skull-melted synthetic cubic zirconia (ZrO2) crystals, roughly sawn into octahedral preforms for gemstone cutting. HTS 7104.29.00.00 covers other synthetic semiprecious stones, unworked or simply shaped, not set/strung. Popular diamond simulant but chemically distinct per chapter definitions.
Duty Rate — Mexico → United States
13%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Disclose chemical composition (ZrO2 stabilized with Y2O3) in entry docs to confirm semiprecious stone status
• Avoid retail packaging; bulk import prevents reclassification as finished jewelry