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 How to calculate diamond prices |
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 Historical |
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  Martin Rapaport learned the business of rough
diamonds in Antwerp (Belgium), he is a graduate GIA. He began his
career in the industry as a broker of rough and polished diamond in New York
in 1975. He established, in 1978, the Rapaport Diamond Price List (called by the
professionals Rap or the List), which has become the primary
source of diamond price and market information for the diamond trade. Over the
years, this price lists became Rapaport Diamond Report and it is in
1982 that he established RapNet, an online interactive diamond trading
market, that has been expanded to include Diamonds.net. Martin
Rapaport is a member of World Diamond Council and he played an important part in Kimberley Process: certification for the
international trade in rough diamonds.
He is more powerful than De Beers
yet he handles this power without any sign of corruption. |
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| Rapaport Diamond Report |
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| How to calculate diamond prices |
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The prices indicated on
these lists are expressed per carat, in hundredth of American dollar ($100's
per carat). On the first line of the list, one finds the weight, the date and
the cut. On the second line, one finds the clarity grade from IF (Internally
Flawless) to I3. In the first column, one finds the colour grade from D to M.
Therefore all you have to do is to move horizontally and vertically according to the
colour and the clarity to know its price in dollar per carat.
Example:
- The diamond price for a brilliant of
1.00 carat, G-VVS2 is 190 in our list. Its price would be thus
1.00 carat x 190 x 100 = US$ 19,000.
- The diamond price for a brilliant of 1.36 carat, E-VS2 is 215 in
our list. Its price would be thus 1.36 carat x 215 x 100 =
US$ 29,240.
- We repeat that the prices are not real. It
is only an example.
- If you wish to know the diamond prices in the retail trade, you can
click on this link: diamond prices. |
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0.47 carat D-IF |
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0.43 carat D-SI2 |
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0.47 carat D-SI2 |
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1.92 carat H-VVS1 |
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1.70 carat F-SI1 |
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 Price: £ 1,068 |
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| Price: £ 540 |
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| Price: £ 562 |
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| Price: £ 12,983 |
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| Price: £ 10,001 |
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