Сърца и стрели

Качеството на шлифоването на диаманта зависи пряко от различни параметри. Понастоящем съществуват няколко системи за определяне на качеството на скъпоценния камък.

Най-широко използваната система е разработена от Американския гемологичен институт (GIA).

In ascending order of diamond quality, all stones are divided into five grades: poor, fair, good, very good and excellent.

According to the Russian system, diamonds are categorized into A, B and C: excellent, good and fair quality respectively.

The list of systems does not end here. Thus, the American Gemological Society (AGS) has created a more detailed system that includes in the evaluation process such parameters as proportions, polish quality and symmetry. Each of the parameters corresponds to a scale from 0 to 10, where a mark of “0” indicates perfect quality and “10” indicates very poor quality.

For example, a perfect diamond would be labeled AGS000 (triple excellent)

“Сърца и стрели” is the name given to stones of this class, due to the unique pattern that is inherent only in perfect diamonds. This effect is only visible under monochrome lighting and was first discovered by accident when the stone was looked at through a magnifying glass and red paper.

Nowadays, the paper has given way to a special device, the firescope.

The drawing “Hearts and arrows” very quickly gained popularity. But the greatest honor to such stones came from the Japanese. This hard-working people, any production of which is famous for its quality, simply could not miss such a symbol, embodying the features of Japanese pedantry, traditional philosophy and aspiration to the knowledge of beauty.

It should be said that not every diamond is suitable for creating such diamonds. Moreover, not only rough diamonds are carefully selected: control over the condition of high-precision equipment and its alignment are no less important components of the production of quality diamonds.

Even a high-level professional takes about one day to create one diamond of this level. Quality has to be paid for in quantity, and the share of flawless diamonds worldwide is small.

Building the symmetry of a stone requires skill and precision, and the cutter’s work is constantly double-checked using video equipment designed specifically for the needs of jewelers. Microscopes with a magnification of twenty to forty times are used to check the finished stones.