India's pioneer Institute, imparting 100% practical Gems & Jewelry training since 1989

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Diamond Graduate Course​

J K Diamonds Institute offers 100% practical polished diamond course. Learn everything about Polished Diamond Grading from the physical and chemical characteristics of a diamond to its trading and jewelry applications. J K Diamonds Institute is also the first institute in India, to offer a practical program in Rough Diamonds. Our Rough Diamonds course is a certified course which is globally recognized. This course offers complete knowledge and learning of diamonds from production to manufacturing, including rough diamond grading, planning and valuation which facilitates trading.

Who is this course for?

These are skill based courses. As long as you are passionate about gems and jewelry,
we will help you figure out a way to excel in business and as a professional.


Business Owner


Freshers & Other


Our Esteemed Alumni Members

Why Choose JK ?

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Real Market
Time Experience



Lifetime Learning Access


Innovative Tech AR/VR


Awards & Achivements

Best Institute of India Award
National Jewellery Award
Award for Best Institute in Gems & Jewelry Education by Tv9 & Aaj Tak

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With decades of proven experience, our team is prepared to help you achieve your goals, and beyond.
micro scoping emerald

About the Management

Kirit Ajmera

Founder, JK Diamonds

Kirit Chunilal Ajmera is an instrumental figure in the diamond, gems and jewelry industry. As a manufacturer of diamonds and jewelry, he would supply jewelry to several showrooms domestically as well as in exports. Gauging peak interest of people to learn diamonds at a time when there was no suitable place to learn, he took it upon himself to establish a training institute to provide practical business oriented course in polished and rough diamonds in 1987.

Naman Ajmera

Founder at Learnathon | Director at J K Diamond Chartered Accountant

He is a qualified chartered accountant having worked in several consultancy projects at KPMG focusing on Luxury, consumer and infra sectors. He is a diamond trader and a jeweller and has been focusing passionately on gems and jewelry education. JK has been pioneering in creating robust practical curriculums for the industry helping students build and expand their gems and jewelry businesses in an organised way.

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Partners With

Offical Education Partner
Digital Learning Partner
Education License
Education License

About the Course

rough diamond course
Learn 7Cs and 7S of diamonds
Jewelry estimation, budgeting and QC
Identification of diamonds from AD, CZ, Moissanites
Identification and grading of Lab grown diamonds
Guidance for setting up diamond and jewelry business
Trading tips, tricks to get your purchases and sales right

Associations & Memberships


The duration of the Polished Diamond course is 8 weeks. The duration of the Rough Diamond course is 6 weeks. For several students who come from various countries and cities, we have an option of an accelerated batch through which you can complete the course in half the time.
Yes, enrollment can happen digitally. Connect with us for the process on [email protected]
These are skill based courses that do not require any qualifications. They are fit for freshers as well as experienced individuals. However, 10th grade passing certification is recommended. If you are somebody who is keenly interested in building a career or a business in the gems and jewelry sector, you are at the right place.
The courses are available in English, Hindi and Gujarati. Some of our courses are also available in Marathi and Bengali.
Yes, you can enrol your employees to the courses at JK and online courses via Learnathon. Kindly provide your GST number to avail of credit for the same.
We have a legacy of training owners and managements of diamonds, gems and jewelry businesses due to our complete focus on practical training as opposed to theoretical/ presentation-based learning. We ensure that the students are market equipped and learn the trades and tricks that are needed to do business in the industry.