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The price of the carat or the price of a carat?

Published : 2017-09-11 14:29:13
Categories : Practical advises

The worldwide reference to which diamond dealers around the world refer in setting the price of diamonds is the "Rapaport diamond report" which reflects the state of the world market.
There are reference prices per diamond carat, classified into 18 tables. Each table corresponds to a weight range of the stone whose price is to be known per carat in US dollars.

Thus, last september, the reference price of a diamond weighing between 0.50 and 0.69 carat G-VS1 is Y $ per carat. If the stone weighs 0.62 carat, the price will be Y $ x 0.62 .

For a stone of 1.20 carat G - VS1, you ,should look at the reference value in the table from 1.00 to 1.49 carats . The price will be  X $ per carat multiplied by the number of carats of the stone.

But, for the same quality G - VS1, X is twice as high as Y !!!

Because the price per carat of a diamond weighing 1.00 to 1.49 carats is more than 2 times higher than the price per carat of a diamond weighing from 0.50 to 0.69 carat. Which means that for instance you can buy 4 diamonds of 0.50 carat for the price of a 1 carat diamond !!!

In other words, the higher the weight of a diamond in a defined combination of quality criteria, the higher is the price per carat . It is not proportional.

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