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 04 Synthetic or reconstructed precious or semi-precious stones, whether or not work Commodity Code Description 71 04 10 71 04 20 71 04 21 Diamonds 71 04 29 Other 71 04 90 71 04 91 Diamonds 71 04 99 Other