Synthetic Blue Sapphire Loose Stones from Mexico
Lab-created corundum stones chemically identical to natural sapphires, cut and polished but not mounted or set. Classified under HTS 7104.99.5000 as synthetic precious stones, worked but unmounted, excluding diamonds. Used in jewelry manufacturing for their hardness and brilliance.
Duty Rate — Mexico → United States
16.4%
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
Import Tips
• Obtain lab certification confirming synthetic origin and composition to avoid misclassification as natural stones under 7103
• Ensure stones are not strung permanently or mounted; temporary transport stringing is allowed but must be declared