CVD Lab-Grown Diamond Rough from Canada
Rough synthetic diamonds grown via Chemical Vapor Deposition, typically in plate or block form, simply sawn into facets. Falls under HTS 7104.21.00.00 as unworked or roughly shaped synthetic diamonds, prior to gem-quality processing.
Duty Rate — Canada → United States
13%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include CVD reactor specs in entry docs to prove synthetic nature
• Rough CVD plates often temporarily strung; declare explicitly per subheading note