open 10 am - 7 pm
laboratory is closed
Publication
Every year, the determination of the deposit of a precious stone is becoming more and more important in the jewelry market.
In the amber market in different countries there is a different system of trade names, which often ambiguously correspond to the generally accepted terminology.
Many have the impression that the sapphire is necessarily blue. However, sapphire has a very wide color palette.
Over the past few years, there has been an increased demand for pastel-colored stones in the global jewelry market. One of these stones is the gray spinel.
Natural green diamonds are considered one of the rarest types of diamonds, accounting for less than 0.1% of all surveyed diamonds.
