Section 14 Natural or cultured pearls, precious or semi-precious stones, precious metals, metals clad with precious metal and articles thereof; imitation jewellery; coin 71 Natural or cultured pearls, precious or semi-precious stones, precious metals, metals clad with precious metal and articles thereof; imitation jewellery; coin 71 16 Articles of natural or cultured pearls, precious or semi-precious stones 71 16 20 Of precious or semi-precious stones (natural, synthetic or reconstructed) Commodity Code Description 71 16 20 00 Of precious or semi-precious stones (natural, synthetic or reconstructed)