Sub-Chapter200520062007
Pearls, natural or cultured$20,822$60,307$21,457
Diamonds, whether or not worked, but not mounted or set.$86,966$184,767$107,422
Precious stones (other than diamonds) and semi-precious stones$38,082 $899
Synthetic or reconstructed precious or semi-precious stones$5,299$2,584$183
Dust and powder of natural or synthetic precious or semi-precious stones.$781$23,201$40,772
Silver (including silver plated with gold or platinum)$352$22$26
Base metals clad with silver$261 $255
Gold (including gold plated with platinum)  $2,910
Platinum, unwrought or in semi-manufactured forms, or in powder form.$425$10$862
Base metals, silver or gold, clad with platinum $168 
Articles of jewellery and parts thereof, of precious metal$43,938$52,837$7,551
Articles of goldsmiths' or silversmiths' wares$2,050$1,169$2,230
Other articles of precious metal or of metal clad with precious metal.$2,756$18,723$8,764
Articles of natural or cultured pearls, precious or semi-precious stones$32,024$1,966$13,878
Imitation jewellery.$1,816,072$3,214,696$4,518,046
Total$2,049,828$3,560,450$4,725,255