71031000

HS code 7103100000 (Chapter 71 "Pearls, precious stones, metals"; Heading 7103 "Precious stones (other than diamonds) and semiprecious stones, whether or not worked or graded but not strung, mounted or set; ungraded precious stones (other than diamonds) and semi-precious stones, temporarily strung for convenience of transport"; Subheading 710310 "Unworked or simply sawn or roughly shaped") under the Korea tariff schedule classifies "Unworked or simply sawn or roughly shaped". Korea customs apply MFN rate of 1, WTO bound rate 0. Statutory unit of measure: KG. 31 free trade agreement preferential rates are available for this code.