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Проверка драгоценного камня на подлинность, как правило, заключается в проверке ювелирного камня (вставки) на соответствие заявленной при продаже-покупке информации ...

When buying a diamond, it is important to understand which components form the price of a diamond. ...

For the first time, the term “Pigeon’s Blood” (“Pigeon Blood”) was introduced by GRS (Gemresearch Swisslab) in 1996 for the qualitative characterization of ruby color in gemmological reports. In 1998, rubies with gemological reports describing color ...

The color of most natural topaz is associated with radiation defects in the structure of the crystal lattice of the stone. But, as a rule, natural stones do not possess residual radioactivity. Exceptions can be stones with internal inclusions of min ...

This note will be useful to jewelry owners who wish to return, exchange jewelry that does not meet the requirements and expectations of the consumer. ...