Black Carbonado Diamond Crystals from United States
Black carbonado diamond crystals are porous, aggregate diamond formations prized for their impact resistance in industrial drilling. They are unworked and not mounted or set, qualifying as unworked industrial diamonds under tariff item 7102.21.00.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the carbonado diamonds are unworked and not processed beyond extraction
• Provide CBSA with documentation of the diamond type and value
• Check if the Kimberley Process Certificate is needed