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 Trade |
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 Bourse, exchange |
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 More than 20 diamond bourses (polished, rough) are the foundation of the diamond industry and trade. |
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| Factors of influences |
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Fashion: the
jewellery has a significant role in this field, the manufacture of a line of
jewels on a large scale changes the price of diamond. |
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The economic situation:
when the economic situation is not very favorable, the public will prefer to
buy diamonds of a lower quality. |
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Certificates: with the
creation of certificates, diamond is regarded as a financial investment. |
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1.59 carat H-SI2 |
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1.39 carat E-SI2 |
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1.10 carat H-VS2 |
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1.59 carat H-IF |
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0.23 carat D-SI1 |
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 Price: £ 6,564 |
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| Price: £ 5,306 |
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| Price: £ 4,113 |
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| Price: £ 9,661 |
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| Price: £ 276 |
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