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
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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