Carbonado Miner's Diamonds from United States
Carbonado miner's diamonds are the toughest natural diamond variant used by miners for drill crowns and saw blades. These are unworked or simply sawn, cleaved or bruted diamonds, not mounted or set, and are not suitable for gem use.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the diamonds are not processed beyond simple sawing, cleaving, or bruting
• Provide evidence of industrial use to support classification
• Work with a customs broker to ensure proper documentation and duty payment