HS chapter
71
Natural or cultured pearls, precious or semi-precious stones, precious metals, metals clad with precious metal, and articles thereof; imitation jewellery; coin
59 UK codes·140 US codes· 18 headings

017101Pearls, natural or cultured, whether or not worked or graded but not strung, mounted or set; pearls, natural or cultured, temporarily strung for convenience of transport

037103Precious 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

047104Synthetic or reconstructed precious or semi-precious stones, whether or not worked or graded but not strung, mounted or set; ungraded synthetic or reconstructed precious or semi-precious stones, temporarily strung for convenience of transport

057105Dust and powder of natural or synthetic precious or semi-precious stones

077107Base metals clad with silver, not further worked than semi-manufactured

097109Base metals or silver, clad with gold, not further worked than semi-manufactured

117111Base metals, silver or gold, clad with platinum, not further worked than semi-manufactured