About GEMCIL

GEM CIL position in the gemological world specially in Asia is well known. It is the result of continuous research, support and synergy with professionals and consumers alike. Around the world, GEM CIL certificates and appraisals bring confidence when buying or selling diamonds, gemstones and jewellery. It is a commitment and understanding consumer concerns that has motivated GEM CIL to develop comprehensive analysis and clear documentation for consumers.

GEM CIL supreme position in the gemological world is no coincidence. It is the result of continuous research, support and synergy with professionals and consumers alike.

GEM CIL is the largest organization of its kind, operating 3 laboratories around the world grading finished jewelry, natural diamonds, lab-grown diamonds and gemstones.

  1. The identification and characterization of high-quality gemstones from newly discovered mines, and the determination of origin for gems derived from classic mining regions.
  2. The identification of gemstone imitations, synthetics, and new gem treatments.
  3. Expertise and specialization in color grading and gemstone color branding, such as the well-known “pigeon’s blood” and “royal blue” color descriptions.