Coloring of gemstones

In the group of almost real stones, one can be called "completely real."”. I'm talking about aquamarine, a stone the color of sea water. But the color may be different: yellowish green, green and highly valued – sea, greenish blue. Not a particularly beautiful color …

WHAT IS KARAT?

WHAT IS KARAT?

The value of a gemstone depends on several factors, inter alia, the frequency of occurrence, color and purity, correctness of the cut and size.

The latter is defined in carats. She was brought in, because the goods are generally very expensive and sold in …