Sub-Chapter200520062007200820092011
Pearls, natural or cultured$4,298 $705$126$6$4,614
Diamonds, whether or not worked, but not mounted or set.   $488$24,289 
Precious stones (other than diamonds) and semi-precious stones$75$1,380$1,655$1,251$130$62,597
Synthetic or reconstructed precious or semi-precious stones$4,504$14,244$797$10,751$3,497$23
Dust and powder of natural or synthetic precious or semi-precious stones.  $2,684$3,063$1,287$244
Silver (including silver plated with gold or platinum)$906,826$1,490,037$1,620,917$1,820,842$1,074,787$4,313,624
Base metals clad with silver  $58$162  
Gold (including gold plated with platinum) $2,521$48,907$1,129$53,641$5,422
Platinum, unwrought or in semi-manufactured forms, or in powder form.$8,046$4,978$19,781$1,889$1$382,082,817
Base metals, silver or gold, clad with platinum   $8  
Articles of jewellery and parts thereof, of precious metal$748,689$339,976$409,873$750,695$735,575$1,026,429
Articles of goldsmiths' or silversmiths' wares$16,103$91,962$219,786$193,277$164,739$112,716
Other articles of precious metal or of metal clad with precious metal.$48,174$48,517$85,647$85,136$10,171$30,544
Articles of natural or cultured pearls, precious or semi-precious stones$115,874$97,125$68,335$85,255$44,723$27,290
Imitation jewellery.$756,861$883,386$1,326,191$2,095,621$2,192,860$2,253,585
Total$2,609,450$2,974,126$3,805,336$5,049,693$4,305,706$389,919,905