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What Will You Learn

  • Develop hands-on experience with the GIA International Diamond Grading SystemTM and the 4Cs (Color, Clarity, Cut, and Carat Weight), and explore how they affect diamond value
  • Grade diamonds in the D-to-Z color range
  • Detect diamond laboratory-grown, treatments, and simulants
  • Recognise when advanced testing is required
  • Speak the language of diamonds confidently to customers, suppliers, and vendors

Possible Career Paths

Auction House Jewellery Specialist

Diamond Buyer

Diamond Sorter/Grader

Jewellery Business Owner



Frequently Asked Question

The applicant for GIA courses should have higher H.S.C. or equivalent to 10 + 2. Also, all courses are conducted in English language only. Hence, proficiency in English language is required. All applicants must be at least 18 years of age.

The Graduate Diamonds diploma program examines the technical expertise needed to grade, buy, and sell diamonds with the insight of a seasoned professional. This diploma program explores the GIA diamond grading procedures to assess the 4Cs - color, clarity, cut and carat weight - and how they affect diamond value. Students use professional diamond grading equipment for the purposes of examining a diamond's quality characteristics to grade and identify diamonds. Coursework also includes creating plotting diagrams; determining fluorescence; and detecting treated diamonds, laboratory-grown diamonds and diamond simulants and recognising when advance testing is required. Other topics covered include the effect of fluorescence on diamond body color, and the role cut plays in the marketplace and important sectors of the diamond industry, including dealers, cutters and manufacturers.

We do not support offline access of content so you will need to have access to the Internet during the remote learning portion. However, students can download and save videos and PDF files while they are enrolled for the program. Access to the student portal, Blackboard, will be limited only for the duration of the course.

Students are expected to use either a laptop, tablet or a desktop with stable internet connection to attend the programme's remote learning portion. The sessions will be conducted on Zoom. Students will be provided Blackboard access for remote learning course. For ease of accessing Blackboard, it is recommended to have iPad (with version 8 and above) and Windows (version 7 and above). Most importantly, students are expected to keep their cameras on throughout the course; failing to keep the camera on for more than 10 minutes will lead to a tardy.

No. The same curriculum is taught at every GIA school, but programs may be offered in different languages at some GIA locations. Each campus location has a unique class schedule and course offerings, and the number of students per class varies.

GIA provides assistance to the students in finding suitable industry placements. Companies from the gem and jewelry industry interested in recruiting GIA students approach GIA with their requirements. Similarly, interested students also connect with GIA for support in finding suitable job profiles. Common enquiries are for diamond graders, gemmologists, jewelry designers, and sales and marketing professionals. GIA, however, does not offer any job guarantees.

Upon successfully completing the programme, you will earn the GIA Graduate Diamonds Diploma Program . In addition, you can become a part of the GIA Alumni Collective as well as the global alumni chapters.

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About GIA

Established in 1931, GIA protects the public through gemmological research, education, impartial gem identification and grading services, and instrument development. The world’s foremost authority in gemmology and creator of the 4Cs, GIA sets the standard for determining the quality of diamonds and performs research-based identification of coloured gems and pearls. All of GIA's activities are governed by its mission to serve the public. Learn More