Welcome to Independent Gemological Laboratory (I.G.L.)

About Us

I.G.L. has won over the years the public confidence and market esteem in gemological reports. I.G.L. was established in 2002 and dedicated to the identification and assessment of precious stones …


I.G.L. collaborates with the most recognizable International Gemological institutes and rating agencies, insurance companies and law firms, and gives the most recognized Greek written report…

Mediterranean School of Gemology

An important development of I.G.L. activities is the establishment of Mediterranean School of Gemology. An annual two-weeks international camp …

I.G.L. has won over the years the public confidence and market esteem.
It is independent and not associated with the marketing or sale, but only with the authenticity of the gemstones.
I.G.L. provides high level services to the professionals in the field of gem stones, diamonds and jewellery industry as well as to any individual who deals with gem stones.


Buying a gemstone or jewelry is a significant investment for every consumer, which must be accompanied with a valid certification. I.G.L. gives the most recognized Certification in Greece. The fact that I.G.L. has never been involved in the process of buying gems and jewelry trading, confirms the validity of Certificates issued.


For every professional in the field of jewelry and gems I.G.L. is the valid partner who can seal the high quality of his work.

The range of our services addressed to professionals is large, encompassing advisory needs, staff training, provision of certificates and assessments.

Insurance companies

The high quality of I.G.L. services is confirmed by collaborations with insurance companies. Mr. Spyromilios is consultant of AIG EUROPE LTD for the territory of Greece.
I.G.L. Appraisal and Valuation conforms to NAJA and AIJV standards. Also it is the most valid valuation for jewelry insurance and precious stones.

Independent Gemological Laboratory

George Spyromilios (IGL) and Branko Deljanin (CGL-GRS) founded Mediterranean School of Gemmology (MSG) and Mediterranean Gem and Jewellery Conference (MGJC) in 2014 as a series of annual Mediterranean conferences, taking place in new locations each year.
The mission of the conference is to educate and to help people understand the properties of diamonds, gems and jewellery, providing members of the industry with information that is essential in the creation of a sustainable business.


Independent Gemological Laboratory / I.G.L. Appraisal and Valuation