7104.99.50.00/Lab Cubic Zirconia Rounds/Japan

Lab Cubic Zirconia Rounds from Japan

Skull crucible melted zirconium oxide, precision brilliant cut 6mm rounds, unmounted. HTS 7104.99.5000 synthetic semiprecious corundum simulant. Budget diamond substitute for all jewelry types.

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%

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Import Tips

• Dispersion rate 0.060 declaration vs diamond's 0.044

• Avoid 'CZ' markings that simulate gem names