Articles and materials about brilliants

Articles and materials about brilliants

The history of brilliant

The history of brilliant can be traced to the late middle Ages. It is said that the first brilliant was manufactured by L. de Berkem in 1454. Ludwig van Berkem (Lui de Berkem) was a court jeweler of Duke Charles the Bold, Duke of Burgundy. The Duke was known as a bellicose person and he immediately found application for diamonds on the battlefield. Charles ordered to decorate the armor with diamonds to make enemies inspired of fear by glitter of the gems.

What is the carat?

Carat it is a pod of a carob tree. Seeds of this tree were used as a unit of measurement of mass and volume and to measure the purity of gold as well.

Gem-cutting

The most common shape of brilliant is the round shape.

Cleanliness of a brilliant

Clarity is a quality of diamonds relating to the existence and visual appearances of inclusions and surface defects.

Colour of a brilliant

Chemically pure and structurally perfect diamond is perfectly transparent with no hue or color.

Diamond proportions

In the early twentieth century (1919) Marcel Tolkovsky published the Diamond Design. In this investigation he observed the ray of lights passing through the diamond. A round diamond with 57 facets was taken as original.

Evaluation of diamond

Expert evaluation is a procedure of the diamond estimation by comparing it with other diamonds on a range of criteria. The combination of these criteria is a system of evaluation.