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GCI - Gemological Centers Private Limited
Gemological Centers Private Limited is a full service gemological laboratory and college, which was established to protect diamond manufacturers, traders and consumers from being deceived whenever buying a diamond, gemstone or jewelry.

GCI operates gemological laboratories in Mumbai, Delhi, Hyderabad, Ahmedabad and an educational institute in Indore, as well as Mobile Labs all across India, and provides the Indian gem trade industry, with various gemological services, under the strict standards of ISO 9001, AGL and GIA. Each of our laboratory is equipped with the most sophisticated and up to date technology possible, to give professional, comprehensive, accurate and precise information on your precious stones, at the highest possible professional and scientific level. All of which – will give your business a competitive advantage.

At GCI every individual is a trained professional, endowed with the highest standards of gemological knowledge.

The chief gemologist of the Gemological Centers Private Limited India is Mr. Vijay Parmar , with experience in diamonds, gemstones and jewelry grading.

Among our services you will find:
  • Gemstones and diamonds identification
  • Guiding, sorting and consultation for manufacturers throughout the entire manufacturing process.
  • Guiding and consulting regarding repairs.
  • 4 C's grading (color, clarity, cut and carat).
  • Mounted jewelry certification.
  • Laser inscription services.
  • Color identification, authenticity check of color and certification.
  • Identification of HPHT treatments and bombardments with FTIR and SPECTROPHOTOMETER.
  • Identification of clarity enhancements, laser drillings and internal drillings (KM).
  • Identification of man-made diamond (CVD-HPHT) and imitations.
  • Mobile lab services
GCI also operates the Gemology College for diamonds, gemstones and jewelry – in Mumbai - a study centre for specialization studies in gemology, with emphasis on skill implementation at a practical level (at a work place). At the Gemology College - high teaching standards is the prime condition to ensure professional and academic quality courses conducted by experienced gemologists.
The Gemology College, strives to grant its graduates the most updated knowledge to assist them in every field of the diamond trade branches and help them comprehend the world of gemology.
We offer you the following courses:
  • Introductory courses, offered to beginners, serve as a starting point into the diamond and jewelry profession.
  • Advanced examination courses in diamond grading to suit industry professionals who aim to upgrade their skills or expand their knowledge in the professional diamond and gem trade.
  • Courses in rough diamond identification and classification allow diamond industry professionals to expand their gemological knowledge.
  • Colored stones identification and grading will help a beginner to understand the vast world of gems and the practical tools to identify them.
Courses are given in English, as well as in Hindi and Guajarati. Graduates who pass the exams of all three courses receive a G.G. (graduate gemologist) diploma.
for more information please contact us

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