7104.99 - Other:

This HTS category, 7104.99, encompasses synthetic or reconstructed precious or semiprecious stones that do not fall under the specific exclusion of diamonds. It covers stones that have been worked or graded, but crucially, they remain unstung, unmounted, or un-set. This also includes such stones that are temporarily strung solely for the convenience of transportation, as long as their intrinsic characteristic of being unmounted for use in jewelry or other applications is maintained.

Distinguishing this category from its sibling, 7104.91, is straightforward: 7104.91 exclusively deals with synthetic or reconstructed diamonds, whereas 7104.99 covers all other synthetic or reconstructed precious or semiprecious stones. Therefore, if a synthetic or reconstructed stone is not a diamond, it will likely be classified under 7104.99, provided it meets the working, grading, and mounting criteria.

Within this category, two primary subcategories exist to further refine classification. Subcategory 7104.99.10.00 applies to stones that have been cut but are not yet set and are specifically suitable for incorporation into jewelry manufacturing. The residual subcategory, 7104.99.50.00, covers all other synthetic or reconstructed precious or semiprecious stones that do not meet the specific criteria for jewelry manufacture outlined in the preceding subcategory.