Before selling a diamond, please read the current legislation in the sphere of turnover of precious stones. More recently, diamonds were treated to currency values, and any transactions with them were punished by criminal liability. In Russia since 1998, legal aspects of transactions in precious stones is regulated by the law "On precious metals and precious stones".
Terms of sale of loose diamonds is set out in the government decree of the Russian Federation No. 55 of January 19, 1998. According to this document: "the Sale of a polished diamond made of natural diamond is carried out only in the presence of the certificate on each stone or set (batch) - selling stones". If the diamond you intend to sell, there is no certificate, pass it to an accredited laboratory for assessment by independent experts.
The issued certificate confirms the authenticity of the stone, captures its main characteristics (weight, colour, clarity, shape and quality of the cut). On the basis of expert opinion, you can learn the market value of the sold diamond. Use the domestic or foreign price list for diamonds.
A legitimate seller of diamonds can be a firm or an individual entrepreneur, a certificate of registration in the assay chamber. Therefore, any individual who sells diamonds, is obliged to use the services of the aforementioned intermediaries.