Gemological Centers “G.C.I.” offer estimation and certification services for jewels and precious stones, in
compliance with the International estimation rules of the Gemological Institute of America (GIA) and the Russian system of voluntary
The G.C.I. Gem Lab is registered in the Federal agency of technical regulation and metrology (registration № РОССRU3308.04.БЕОО).
The system is designed for loose stones not yet mounted in jewelry. This ensures an independent and qualified estimation. Color
estimation is based on comparison made with certified color models (TУ-117.4.2099.2002., Smolensk).
The information provided in the certificate includes the authenticity of the stone, its weight, color, clarity (with respect to all internal
and external defects), form and facets' perfection degree.
In Russia any sale of loose stones to be legal - requires a certificate-, . Therefore, the G.C.I. Gem Lab also proposes diagnostics
and estimation services for loose diamonds, as well as for rough diamonds and stones at the initial stage of faceting for its further faceting
in view of maximizing the yield.
All findings are supported by sophisticated equipment, among which: OGI Systems LDT, Diamond Sure, Diamond Spotter.
The center offers instruction and is aimed at increasing the qualification of specialists in the center's program.
GCI have been offering services of estimation and certifications of jewels for over 20 years, obtaining acknowledgements and confidence
through out the entire world. The main office is located in the Israeli diamond exchange in Ramat-Gan, and it has branches in other
countries as well.
The Russian branch of IGC functions in Moscow since October, 2004. The general director of Russian branch of IGC is Skvortsov Oleg, the deputy director is Stepanova Maria.
Studies are carried out by specialists, who have attended higher educationand carry diplomas of foreign training centers, and vast practical experience in organizations such as [Almazyuvelireksport], [GOKHRAN], [ALROSA], [GinAlmazZoloto].
The independence of participants in the certification ensures objectivity and flexibility in the work.
For more information please contact us.