Gemology is a relatively young science, which studies gems and precious stones. Gemological expertise is one of the methods to defend consumers at the market of gemstones and jewelry. Many countries, including Russia, develop the system of measures, which are directed to prevent deception, forgery, and dishonest practice in the trade, repair, and other operations with gems and jewelry.
Gemological expertise permits to identify the gem stone.
As it is known, the gem value depends frequently on its rarity. The most expensive precious stones are diamond, emerald, ruby, sapphire, and pearl. It may happen, however, that you have purchased the skillful imitation instead. It is not the secret that all the most expensive precious stones nowadays, even diamond - the King of Gems, have synthetic counterparts. Determination of the gem origin is the most complicated procedure of gemological expertise, which may be performed only by a highly-qualified specialist and sometimes requires the complex research equipment.