Other Precious or Semi-precious Stones, Otherwise Worked, Rubies, Sapphires and Emeralds, Precious or Semi-precious Stones, Unworked or Simply Sawn, Articles of Natural or Cultured Pearls, Articles of Precious or Semi-precious Stones, Cuff-links and Studs of Base Metal, Other Imitation Jewellery of Base Metal, Other Imitation Jewellery, Base Metals or Silver, Clad With Gold, Articles of Jewellery and Parts Thereof, of Silver.