Moissanite Princess Cuts from Japan
Lab-created silicon carbide moissanite cut in square princess style for diamond simulants in engagement rings, unset and jewelry-ready. Classifies under HTS 7104.99.10.00 as cut synthetic semiprecious stones.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Thermal conductivity test certs distinguish moissanite from diamond
• Declare high refractive index (2.65) in specs for verification
• Single parcel per size/color to streamline customs processing