Blue HPHT Synthetic Diamonds Melee from Mexico
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 — Mexico → United States
16.4%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Spectral analysis certificates prove color doping method for customs
• Separate blue from colorless parcels to prevent averaging valuation errors