01:33
Mody87
Where D a difference between the price of diamonds in 1 2 carats Engagement Rings weight.
To the price of identical grades in weight in 1 2 carats accordingly.
In modern conditions the estimation of jeweler diamonds is made by Diamond syndicate with the account not only weights, but also colors, a transparency and the crystal form. Unlike diamond the weight of those jewels which have the large sizes, is estimated in grammes and even in kgs. Such large crystals of smoky quartz and amethyst meet in the USA in the State of Maine. The sizes of some reached 117,5 sm and 230 kg weighed.
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