Heat-Treated Faceted Ruby from United States
A 1-carat faceted ruby from Thailand, enhanced via standard heat treatment to improve color and clarity. This worked ruby is unmounted and suitable for ring or necklace settings, falling under tariff item 7103.91.00.
Duty Rate — United States → Canada
0%
Import Tips
• Disclose heat treatment on the commercial invoice, as it affects valuation and classification
• Keep a gemological report confirming the treatment
• Declare the stone as loose and worked to match the tariff item