Synthetic Ruby Boule from Canada
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 — Canada → United States
13%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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