The color of the diamond

The color of the diamond

The appreciation of color is crucial in the estimation of a stone, and explains the differences in the price of a diamond to another.

In general, the color of diamonds varies from bluish white to yellowish, the other color are called fancy colors.

We distinguish blue, green, yellow (but only when it is canary yellow) and brown (when it is intense).

The light brown and champagne tones have a lower value, and rating varies according to demand.

Pink is very popular and is usually very pale, but when it is intense, its value is equal or superior to that of pure white.

The yellow and brown diamonds are rated the least, in general they are mainly used in industry.

Unambiguously determine the color of diamonds, eliminating the subjectivity as much as possible, has always been a necessary step in the diamond trade.

A ladder was set up to classify the color of a diamond: it starts to D (snow white) and ends with the letter Z (pronounced yellow):

The diamonds couplers

For an initial assessment of the color of the diamond, it is placed on a sheet of white Bristol board well, folded in the middle, the cu let of the stone is facing up, as it is in this part that the color is more apparent.

The examination is approaching the box as close to a white light source and cold water, removing all other external light influences.

It can also be done in the light of day, facing north (never in the sunlight), a clear day.

An old process was to mist the stone of his breath: it was indeed found that the colors are easier to detect As the fog disappears from the stone.