Tariff List

7103            |    Precious stones (other than diamonds) and semi-precious 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.
7103.10.10         --- Tanzanite
7103.10.20         --- Alexandrite
7103.10.90         --- Other
7103.91.00     -- Rubies, sapphires and emeralds
7103.99.10         --- Tanzanite
7103.99.20         --- Alexandrite
7103.99.90         --- Other