… and semi-precious stones, whether or not worked or graded but not strung, mounted or set; ungraded precious stones (other than diamonds) and …
Explanatory notes
… and semi-precious stones, whether or not worked or graded but not strung, mounted or set; ungraded precious stones (other than diamonds) and … - Other Because of their colour, brilliance, resistance to deterioration, and often also because of their rarity, these …