Diamond GradingPANGEMTECH - Panjikar Gem Research & Tech Institute
Frequent Asked Questions
Basic Gemmology, knowledge of instruments and their uses. students from other institutions have to appear for an entrance exam to qualify for the Diamond grading Course. Age above 16 years and preferably with knowledge of school level science Should enjoy working with diamonds and have the desire to become something in life with dedication and perseverance
Diamond Grading is a professional course involving all the grading aspects laid down by the International Diamond Council(IDC), GIA, CIBJO and Bureau of Indian Standards(BIS) for cut and polished diamonds. The course begins with Crysatllography of Diamonds, Properties of diamond , how to identify diamonds from other white stones and synthetic stones. The correct grading methods, how each grade is determined, Carat weight, Colour, Clarity and the Cut grade. What precautions to be taken, how grade can change the value aspects, what norms are to be followed while grading. How to read diamond grading report what are the things to be checked in a report, how to make a grading report, what features are to be written in a certificate/report. What type of illumination should be used for colour grading, clarity grading, what colour attire has to be worn for colour grading. What are methods for synthesizing diamonds, HPHT, BARS, BELT and CVD process. What binclusions are seen How to identify them What type of treatments are donev on diamonds, HPHT, irradiation, Laser drilling, Fracture filling, Diamond Coating, Graphitisation etc. how to identify some of them.