Certificate Courses

Course Code: GJRTI/T/Gem_0001

Duration: 6 Months (175 Hours) – Part-Time

Available Centers: Kaduwela, Ratnapura, Kandy, Badulla

Registration Fee: Rs. 2,000.00

Course Fee: Rs. 50,000.00

Entry Requirements: No entry qualifications required

This part-time certificate course is specially designed for individuals who wish to gain basic knowledge in gemmology while managing their work or other commitments. It is ideal for beginners, working professionals, and hobbyists who are interested in learning how to identify and understand gemstones through both theory and hands-on practice.

The program offers flexibility and accessibility, making it easier for those currently employed to participate and build essential skills in the gem and jewellery field.

Key Learning Areas Include

• Introduction to the structure of the Earth and formation of rocks
• Gemstone classification and crystallography
• Physical and optical properties of gems
• Use of gem testing instruments
• Identification of natural and synthetic gemstones
• Colour enhancement methods
• Basic gemstone cutting and polishing techniques

Course Code: GJRTI/T/Gem_0002
Duration: 6 months (350 hours) – Part time
Available Centers: Kaduwela, Ratnapura
Registration Fee: Rs. 2,000.00
Course Fee: Rs. 70,000.00

Entry Requirements: No entry qualifications required

Course Description:
This course provides comprehensive theoretical knowledge and practical skills needed to identify gemstones using standard gemmological instruments. It is designed for beginners as well as those already involved in the gem and jewellery industry. Students will gain a solid understanding of how gems form, their physical and optical properties, and how to use tools such as refractometers, spectroscopes, and hand lenses for gem testing and identification.

 Key Learning Areas Include:

• Structure of the Earth & Rock Formation
• Gemstone Classification and Families
• Crystallography and Physical Properties
• Light and Optical Effects
• Use of Refractometer and Spectroscope
• Simple Magnification (Hand Lens)
• Rare and Organic Gemstones
• Synthetic and Treated Stones
• Methods of Colour Enhancement
• Gem Cutting and Polishing Techniques
• Luster and Special Optical Properties

 

This program is ideal for gem lovers, traders, or professionals seeking formal training in gemstone identification and testing techniques.

Course Code: GJRTI/T/Gem_4005
Duration: 8 Months (420 Hours) – Part time
Available Centers: Kaduwela and Ratnapura
Registration Fee: Rs. 2,000.00
Course Fee: Rs. 70,000.00

Entry Requirements: No entry qualifications required

Course Description:

The Gemmological Assistant – NVQ Level 4 Certificate in Gemmology is a six-month, job-oriented training programme designed to develop the competencies required to assist in gem identification and grading within the gem and jewellery industry. The course provides a strong foundation in gemmological theory and practical skills, including the use of standard gem-testing instruments, identification of natural and synthetic gemstones, recognition of common treatments, and basic gemstone valuation. Aligned with the National Vocational Qualification (NVQ) Level 4 standards, this programme prepares learners for employment as gemmological assistants or for further specialization in the field of gemmology.

 Key Learning Areas Include:

• Receive gem/s from laboratory
• Test Gem/s
• Return sample with certificate
• Maintain gemmological laboratory
• Practice workplace communication and interpersonal relations
• Apply occupational literacy and numeracy
• Work in teams
• Practice occupational health and safety measures

Course Code: GJRTI/T/Gem_0019
Duration: 6 Months (840 Hours) – Full time
Available Centers: Ratnapura

Course Description:

The Certificate Course in Precision Gem Cutting Technology is a specialized training programme focused on developing the advanced skills required to cut small gemstones with high accuracy and quality. This course provides in-depth practical training on precision cutting techniques, tool handling, and the use of specialized equipment to meet the demands of fine jewellery manufacturing. Participants will learn to maintain symmetry, proportions, and high-quality finishes on small-sized stones, ensuring consistency and value in mass production. Ideal for those already familiar with basic gem cutting, this course is designed to enhance technical expertise and support employment or upskilling in the precision gem cutting segment of the industry.

 Key Learning Areas Include:

• Introduction to the technology of precision cutting of small gemstones with ±0.02 mm accuracy
• Identification of tools used for precision cutting of small gemstones with ±0.02 mm accuracy
• Cabochon cutting and polishing of gemstones sized between 0.5 mm and 2.5 mm
• Faceting and polishing of small gemstones sized between 0.5 mm – 2.5 mm
• Creation of patterns during gemstone cutting
• Quality control of cut and polished gemstones
• Stone preparation and identification for jewelry setting

Course Code: GJRTI/T/Gem_0015

Duration: 7 months (144 Hours) – Part time

Center: Kaduwela

Registration Fee: Rs. 2,000.00

Course Fee: Rs. 70,000.00

Entry Requirements: No entry qualifications required

Course Description:

This course is designed to provide a strong foundation in gem identification through a blended learning approach, where theory lessons are conducted online and practical sessions are held physically. This flexible format is ideal for working individuals and gem traders who seek to balance study with their jobs.

The course covers essential theoretical knowledge and practical skills in gemmology using standard testing instruments. Participants will learn to identify natural, synthetic, and treated gemstones with confidence.

 Key Learning Areas Include:

• Introduction to Earth Structure & Rock Formation
• Gemstone Classification & Families
• Crystallography & Physical Properties
• Light, Polarised Light, and Optical Effects
• Refractometer, Spectroscopy & Hand Lens Use
• Rare and Organic Gemstones
• Synthetic Gems & Colour Enhancement Methods
• Gem Cutting & Polishing
• Lustre & Special Optical Properties

This course is perfect for those working in the gem trade, jewellery industry, or anyone looking to gain professional skills in gem identification while managing their time flexibly.

Course Code – GJRTI/T/Gem_0017

Duration – 04 Months

Available  Centers – Kaduwela, Rathnapura

Registration Fee: Rs. 2,000.00

Course Fee: Rs. 20,000.00

Entry Requirements: No prior qualifications required

 The Gem and Jewellery Research and Training Institute (GJRTI) offers a Gems and Jewellery Valuation & Marketing Course designed to equip students with the essential skills and knowledge required for gem valuation and effective marketing. The course covers key topics such as local and international trading, industry standards, and relevant rules and regulations. Delivered in a hybrid mode, the programme combines flexible online theory sessions with in-class practical training, making it ideal for aspiring entrepreneurs and professionals in the gem and jewellery industry.

 Key Learning Areas Include

• Principles and methods of gems and jewellery valuation
• Identifying key value factors: colour, clarity, cut, and carat
• Jewellery appraisal techniques
• Finding buyers and building customer relationships
• Marketing strategies specific to the gem and jewellery industry
• Export and import regulations for gems and jewellery
• Procedure of participate national and international exhibitions
• Certification, documentation, and legal considerations

Course Code – GJRTI/T/Gem_0004

Duration: 3 Months (105 Hours) – Part time

Available Centers: Kaduwela, Ratnapura, Nivithigala, Laggala
Registration Fee: Rs. 2,000.00
Course Fee: Rs. 55,000.00
Entry Requirements: No prior qualifications required

Many gemstones found in mines require treatment to enhance their colour and clarity. The Gem and Jewellery Research and Training Institute (GJRTI) offers a Geuda Heat Treatment Course designed to teach participants how to improve the colour and clarity of Geuda gemstones, transforming low-quality stones into marketable, high-value gems.

This comprehensive course covers both the theoretical and practical aspects of the heat treatment process, providing valuable skills and knowledge for gem treaters, traders, and industry enthusiasts.

Key Learning Areas Include

• Identification of Geuda and other heat-treatable sapphires
• Scientific principles behind heat treatment
• Types of furnaces and equipment used
• Temperature control and treatment cycles
• Safety and best practices in the treatment process
• Post-treatment evaluation and quality grading

Course Code: GJRTI/T/Gem_0005
Duration: 10 days (70 Hours)
Available Centers: Kaduwela, Ratnapura, Kandy, Badulla, Nivithigala, Ratnapura NYSC, Naula, Laggala, Senapura, Maradana
Registration Fee: Rs. 2,000.00
Course Fee: Rs. 14,000.00
Entry Requirements: No prior qualifications required

The Gem and Jewellery Research and Training Institute (GJRTI) offers a 10-day short course in Gem Cutting, designed to equip gem traders, treaters, and other enthusiasts with essential practical skills and knowledge in gem fashioning—supporting their current activities and helping aspiring newcomers enter the industry. In addition to technical training, participants gain a well-rounded understanding of the gem and jewellery sector, including current market trends, value chain activities, and trading insights. The course schedule is flexible. Students may choose to attend classes on any 10 days at their convenience, making it ideal for those with busy schedules or professional commitments.

Course Code: GJRTI/T/Gem_3005
Duration: 4 Months (560 Hours) – Full time)
Available Centers: Kaduwela, Ratnapura, Kandy, Badulla, Nivithigala, Ratnapura NYSC, Naula, Laggala, Senapura, Maradana
Registration Fee: Rs. 2,000.00
Course Fee: Rs. 35,000.00
Entry Requirements: No prior qualifications required

The Gem Cutting and Polishing – NVQ Level 3 Certificate Course is a hands-on training programme designed to develop the practical skills and technical knowledge required for cutting and polishing gemstones to industry standards. Aligned with the National Vocational Qualification (NVQ) Level 3 framework, the course covers key areas such as gemstone identification, dopping, preforming, faceting, polishing, and quality assessment using both traditional techniques and modern machinery. It aims to prepare trainees for employment in the lapidary sector or for self-employment, while promoting precision, safety, and craftsmanship in gem processing.

Key Learning Areas Include

• Introduction to the gem cutting industry and basic gemmology
• Sorting, marking, and weighing rough gemstones
• Shaping and dopping gemstones for cutting
• Faceting and polishing round, oval, pear, marquise, square, and octagon cuts

After completing this course, students can pursue careers as gem cutters, polishing technicians, quality controllers, or start their own gem cutting businesses in the local or export sectors.

Course Code: GJRTI/T/Gem_4005
Duration: 6 Months (560 Hours)
Available Centers: Kaduwela, Ratnapura, Kandy, Badulla, Nivithigala, Ratnapura NYSC, Naula, Laggala, Senapura, Maradana
Registration Fee: Rs. 2,000.00
Course Fee: Rs. 45,000.00
Entry Requirements: No prior qualifications required

This NVQ Level 4 certificate course is designed to develop professional skills in gemstone cutting and polishing. It is ideal for school leavers, beginners, or those already in the gem industry who wish to upgrade their technical skills. The program combines theoretical knowledge with practical, hands-on experience, enabling learners to transform rough gemstones into high-quality, market-ready stones using modern tools and techniques.

Key Learning Areas Include

• Introduction to the gem cutting industry and basic gemmology
• Sorting, marking, and weighing rough gemstones
• Shaping and dopping gemstones for cutting
• Faceting and polishing round, oval, pear, marquise, square, and octagon cuts
• Use of specialized machines including the Gempeg machine
• Working with included or low-grade stones
• Introduction to colored stone cutting
• Exploration of global cutting styles and designs
• Equipment maintenance and safety
• Final finishing and quality control

 

After completing this course, students can pursue careers as gem cutters, polishing technicians, quality controllers, or start their own gem cutting businesses in the local or export sectors.

Course Code: GJRTI/T/Gem_0005
Duration: 6 Months (336 Hours)
Available Centers: Kaduwela, Ratnapura, Kandy, Badulla, Naula,
Registration Fee: Rs. 2,000.00
Course Fee: Rs. 35,000.00
Entry Requirements: No prior qualifications required

GJRTI offers a specialized Weekend Gem Cutting Courses for individuals who are currently engaged in gem cutting or working in other professions, but have a passion for refining their skills in this valuable art.

This course is ideal for:

• Practicing gem cutters seeking to upgrade their techniques
• Professionals from other industries interested in gem cutting as a side skill or business opportunity

Key Learning Areas Include

• Introduction to the gem cutting industry and basic gemmology
• Sorting, marking, and weighing rough gemstones
• Shaping and dopping gemstones for cutting
• Faceting and polishing
• Working with included or low-grade stones
• Introduction to colored stone cutting
• Equipment maintenance and safety
• Final finishing and quality control

After completing this course, students can pursue careers as gem cutters, polishing technicians, quality controllers, or start their own gem cutting businesses in the local or export sectors.

Course Code – GJRTI/T/Gem_0007
Duration – 32 Days, (224 Hours)
Available Centers: Ratnapura
Registration Fee: Rs. 2,000.00
Course Fee: Rs. 25,000.00
Entry Requirements: No prior qualifications required

The Gem and Jewellery Research and Training Institute (GJRTI) offers a Gem Carving Training Course designed to provide the essential skills and knowledge required to master the intricate art of gem carving — a valuable technique that transforms lower-grade gemstones into beautifully crafted pieces with both artistic and commercial value.

Key Learning Areas Include

• Selection and preparation of suitable gemstones for carving
• Use of carving tools and equipment
• Basic and advanced carving techniques
• Designing patterns and motifs
• Polishing and finishing carved gems
• Safety practices in gem carving

Tailor-made courses in the gem sector are customized training programs designed to suit the specific needs of individuals, professionals, institutions, or organizations. These programs can be developed for:

• Gem traders and dealers seeking to enhance their gem identification and valuation skills
• Entrepreneurs entering the gem trade or export business
• Lapidarists and gem cutters wanting to refine their cutting and polishing techniques
• Laboratory technicians or quality control personnel requiring specialized gem testing knowledge
• Institutions or training centers looking for customized short-term modules for staff or students

Key Areas Available for Tailor-Made Courses:

• Gemstone Identification
• Advanced Gem Testing Techniques
• Gemstone Cutting and Polishing
• Heat Treatment and Other Enhancements
• Gem Valuation and Marketing

Duration, content, and delivery methods can be customized based on the client’s specific objectives, existing skill level, and training goals.