Section 14 NATURAL OR CULTURED PEARLS, PRECIOUS OR SEMI-PRECIOUS STONES, PRECIOUS METALS, METALS CLAD WITH PRECIOUS METAL, AND ARTICLES THEREOF; IMITAT ION JEWELLERY; COIN 71 Natural or cultured pearls, precious or semi-precious stones, precious metals, m 71 02 Diamonds, whether or not worked, but not mounted or set. 71 02 10 71 02 10 00 Commodity Code Description 71 02 10 00 00 - Unsorted 71 02 21 00 00 -- Unworked or simply sawn, cleaved or bruted 71 02 29 00 00 -- Other 71 02 31 00 00 -- Unworked or simply sawn, cleaved or bruted 71 02 39 00 00 -- Other