7103.99 - Other:

This HTS category, 7103.99, encompasses precious and semiprecious stones that have been otherwise worked, excluding diamonds, which are not strung, mounted, or set. This includes stones that have undergone processes such as cutting, polishing, or faceting to enhance their appearance or prepare them for further use. Crucially, the stones classified here are not temporarily strung for transport, nor are they assembled into jewelry or set into any type of mounting.

Distinction from sibling category 7103.91.00 is key; while 7103.91.00 specifically enumerates rubies, sapphires, and emeralds, this category, 7103.99, covers *all other* precious and semiprecious stones that meet the "otherwise worked" criteria but are not among those specifically named gemstones. This broad scope ensures that a wide range of valuable gemstones, such as topaz, amethyst, garnet, and aquamarine, are appropriately classified when they have been subjected to working processes.

The subcategories within 7103.99 further refine classification based on the intended use and specific working state of the stones. 7103.99.10.00 addresses stones that have been cut but not yet set, and are demonstrably suitable for incorporation into jewelry manufacturing. This distinction allows for separate tariff treatment based on their immediate readiness for the jewelry trade. The remaining stones, classified under 7103.99.50.00, fall into a residual "other" category, encompassing all other otherwise worked precious and semiprecious stones not meeting the specific criteria for jewelry manufacture.