About Us

KGL is a Public benefit non profit organisation laboratory in Kolkata and all over India. KGL is the leading source of knowledge standards and education research in Gems and jewellery .It is the result of continuous research, support and synergy with professionals and consumers. KGL achieved a supreme position in the gemological fields, on Diamond, colored stones, Perl, Lab-grown diamond and gemstone.

Adding value through authenticity in the modern world. Even expert require specialized to detect gemstone treatments and determine natural gemstone or lab-grow origins,KGL is one of the leading Gemological Laboratory that provides perfect Gemstone reports,Diamond reports,diamond grading and Diamond jewellery reports to the direct consumer and jewellery Industries with the help of world most advanced identification tools and technology.
Around the world, KGL reports bring confidence to buyers and seller alike. The value of the precious stone is determined by its gemological makeup, natural purity and finished quality. Gemstone of similar appearance can have making different values. In the modern world, even experts require specialized to detect treatment, enhancement and synthetics.
KGL screen every gemstone using state of the art technologies to determine naturally mined laboratory grown or simutant origin.Experienced gradute gemologists conduct further assessment in controlled condition,detailing reterant gemology characteristics according to the strictest international system.