Sub-Chapter2005200620072008200920102011
Pearls, natural or cultured $1,240$913  $1,136 
Diamonds, whether or not worked, but not mounted or set.$3,322,403,690$3,314,537,564$3,233,501,632$3,130,065,104$2,165,090,518$3,208,394,880$4,448,465,483
Precious stones (other than diamonds) and semi-precious stones$225,684$125,323$132,814$176,273$103,702$298,555$161,208
Synthetic or reconstructed precious or semi-precious stones  $19,980$56,571$101 $22,636
Dust and powder of natural or synthetic precious or semi-precious stones.   $364$40$273$882
Gold (including gold plated with platinum)$25,620,276$36,133,467$14,310,732$100,974,722$75,606,733$61,080,698$79,520,262
Base metals or silver, clad with gold, not further worked than semi-manufac ...$1,915 $27   $4,317
Platinum, unwrought or in semi-manufactured forms, or in powder form.$67,127    $516$1,812
Base metals, silver or gold, clad with platinum    $677  
Articles of jewellery and parts thereof, of precious metal$153,206$49,071$226,056$225,724$113,119$317,342$1,641,588
Articles of goldsmiths' or silversmiths' wares $142 $3,455$215$844 
Other articles of precious metal or of metal clad with precious metal. $1,701$25,023$93$3,027$9,747$3,030
Articles of natural or cultured pearls, precious or semi-precious stones $3,242$11,420$34,798$8,768$1,184$7,917
Imitation jewellery.$7,472$40,384$64,704$26,462$70,198$33,089$20,910
Coin.    $2,731  
Total$3,348,479,370$3,350,892,134$3,248,293,301$3,231,563,566$2,240,999,829$3,270,138,264$4,529,850,045