StacksVerified U.S. regulatory reference

31 CFR §592.310

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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.