HPHT Single Crystal Diamond Boulders from China
HPHT single crystal diamond boulders, grown synthetically for industrial sawing and wire drawing dies. These are worked but unmounted industrial diamonds, falling under tariff item 7102.29.00 as other industrial diamonds.
Duty Rate — China → Canada
0%
Import Tips
• Verify the diamonds are not mounted or set
• Provide documentation of the HPHT synthesis method
• Classify as industrial, not gem-quality, to avoid higher duties