Blue HPHT Synthetic Diamonds Melee from Canada
Tiny blue synthetic diamonds (0.8-1.2mm) created via HPHT with boron doping for color. HTS 7104.91.5000 for synthetic diamond melee, worked but loose. Used in micro-pave jewelry designs.
Duty Rate — Canada → United States
16.4%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Spectral analysis certificates prove color doping method for customs
• Separate blue from colorless parcels to prevent averaging valuation errors