Regulations last checked for updates: Feb 06, 2026

Title 31 - Money and Finance: Treasury last revised: Jan 02, 2026
§ 592.310 - Rough diamond.

The term rough diamond means any diamond that is unworked or simply sawn, cleaved, or bruted and classifiable under subheading 7102.10, 7102.21, or 7102.31 of the Harmonized Tariff Schedule of the United States.

authority: 3 U.S.C. 301; 19 U.S.C. 3901-3913; 31 U.S.C. 321(b); Pub. L. 101-410, 104 Stat. 890, as amended (28 U.S.C. 2461 note); E.O. 13312, 68 FR 45151, 3 CFR, 2003 Comp., p. 246
source: 69 FR 56938, Sept. 23, 2004, unless otherwise noted.
cite as: 31 CFR 592.310