Synthetic Opal Doublets Unmounted from Mexico
Synthetic opal doublets are lab-grown silica sphere opal bonded to a backing, cut but left as complete doublets unset. They fall under tariff item 7104.99.00 as synthetic precious opal that is worked but unmounted. These stones offer a fire pattern at a fraction of the cost of natural opal.
Duty Rate — Mexico → Canada
0%
Import Tips
• Disclose that the opals are doublets, as this may affect classification if the backing is considered a mounting
• Ensure the doublets are not set in any metal to qualify for this tariff item
• Keep records of the manufacturing process for CBSA review