Synthetic Ruby Boule from Japan

Cylindrical synthetic ruby boule grown by Verneuil method, roughly shaped with minimal faceting removal, destined for optical windows and laser rods. Falls under HTS 7104.29.00.00 as other synthetic precious stones (corundum), simply sawn or roughly shaped but not mounted/set. Excludes alloys or clad materials per chapter note 7.

Duty Rate — Japan → United States

13%

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

Provide manufacturing process documentation (e.g

flux-grown vs. hydrothermal) to confirm synthetic status

Label as 'industrial rough' if applicable to avoid scrutiny as finished gems