Professional Diploma


Programme Overview

The Objective of this programme is to impart knowledge of Gemmology (scientific study of gems) to the students and the people already associated with or desirous of entering in the field of gem industry as importers, manufacturers. As the programme covers all the aspects of gemstone identification, it is useful for traders, dealers, dealers artisans and comman people. It offers wide scope to those seeking job in the gem world & is useful to the hobbyists


Monday to Friday only

Either of the following (depending on the availability & as decided by the management of the institute) 10.30  – 13.30 or 14.00  17.00

What You Learn

Introduction: Definition of gemmology, Basic qualities, Chemical composition, weights and measure, Lustre, Sheen; Opalescence, Adularescenec, Iridescence, Asterism, Chatoyancy.

Crystallography: Nature of crystals, crystalline and non crystalline materials, Forms, Habits, Seven crystal systems, Twinning

Physical Properties: Hardness, Cleavage, Specific Gravity (heavy liquid and hydrostatic Method), Fracture

Optics: Nature of light, visible spectrum, Light Reflection, Refraction, total internal reflection, Single and double refraction, Dispersion, Polarization, Refractive index and its determination by refractometer, Pleochroism, interference,. Jeweller’s Lens, Microscope, Spectroscopes, Dichroscope, Chelsea colour filter, Ultraviolet light and x-rays, Polariscope.
The varieties and colours species, chemical composition and crystal system, physical properties, special characteristics and identification of the gemstones. Thermal Conductivity and Thermal probes. Synthesis & enhancement in gemstones.

An overview of Advance Technology used in Diamond identification (like FTIR, UV-VIS, Diamond View, Diamond Sure etc)

ELIGIBILITY Duration Total Fees
10+2 or Equivalent 16 Weeks Rs. 54,000
Total Fee Payable Fees
Without Hostel Rs. 54,000
With Hostel Rs.
Foreign Nationals US $ 1850

* Mess Facility is available.

Schedule for the year

Course Code Commencement Date Last Date Of Payment Of Fee
GP-401 01-04-2024 01-04-2024
GP-401 03-06-2024 01-06-2024
GP-401 05-08-2024 03-08-2024
GP-401 02-12-2024 31-11-2024