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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 |
| Pearls, natural or cultured | $1,075 | $22 | | $99 |
| Diamonds, whether or not worked, but not mounted or set. | $462,287 | $1,290,874 | $570,491 | $552,152 |
| Precious stones (other than diamonds) and semi-precious stones | | $1,557 | $555 | $48,333 |
| Synthetic or reconstructed precious or semi-precious stones | $487 | $915 | | $37 |
| Dust and powder of natural or synthetic precious or semi-precious stones. | | | | $10,050 |
| Silver (including silver plated with gold or platinum) | $26,902 | $16,560 | $48,992 | $361 |
| Base metals clad with silver | $809 | $82 | $262 | |
| Gold (including gold plated with platinum) | $125,303 | $133,814 | $214,545 | $245,783 |
| Platinum, unwrought or in semi-manufactured forms, or in powder form. | | | $1,100 | |
| Base metals, silver or gold, clad with platinum | | $2,148 | | $107,902 |
| Articles of jewellery and parts thereof, of precious metal | $246,501 | $366,557 | $312,441 | $489,686 |
| Articles of goldsmiths' or silversmiths' wares | $36,501 | $75,178 | $63,039 | $163,298 |
| Other articles of precious metal or of metal clad with precious metal. | $7,134 | $351 | $8,278 | $151,489 |
| Articles of natural or cultured pearls, precious or semi-precious stones | $6,730 | $1,410 | $3,353 | $4,351 |
| Imitation jewellery. | $124,366 | $159,062 | $303,194 | $434,101 |
| Coin. | | $248 | | |
| Total | $1,038,095 | $2,048,778 | $1,526,250 | $2,207,642 |
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