Education & Training
Realeboha Jasina
Diamond Cutting & Polishing Specialist
Technical Partner – GreenSync Tech (Botswana)
Mr. Realeboha Jasina is a highly skilled diamond cutting and polishing specialist with extensive hands-on experience spanning over a decade in the gemstone and jewellery industry across Southern Africa. A graduate of the prestigious Lesotho Diamond Academy, Mr. Jasina has refined his craft through years of practical training and professional practice in diamond beneficiation, gem sorting, polishing, and precision cutting. His professional journey reflects a deep technical understanding of the diamond value chain, from rough evaluation to final polished stone, making him an invaluable contributor to GreenSync Tech’s vision of advancing Botswana’s beneficiation capacity.
Technical Expertise
- Diamond Cutting & Polishing: Expert in shaping, faceting, and finishing round brilliant diamonds to international standards.
- Gemstone Processing: Skilled in gemstone grading, sawing, marking, lapping, and polishing.
- Jewellery Manufacturing: Experienced in metalwork, silver jewellery design, and stone setting.
- Diamond Valuation Support: Assisted in decision-making processes for buying and selling diamonds within polishing departments.
- Machinery Operations: Competent in operating precision diamond-cutting and gemstone-processing machinery.
- Quality & Standards Compliance: Upholds international best practices in diamond finishing, ensuring accuracy, symmetry, and optimal light performance.
Career Highlights
Lesotho Diamond Academy – Polishing Department Instructor:
- Trained students in diamond cutting, grading, and polishing.
- Oversaw daily diamond handling and production processes in the Academy’s cutting facility.
Aloe Stones (Pty) Ltd – Senior Gem Cutter (2015–2020):- Led the gemstone cutting and polishing unit, focusing on diamonds and precious stones.
- Specialized in gem sorting, sawing, and fine polishing for export-quality stones.
Organo-Vite (Pty) Ltd – Production Foreman (Internship)
- Gained experience in industrial processing, production management, and quality control.
Hemp Africa Lesotho – Assistant Grower (2020)
- Contributed to sustainable agricultural production methods for medical cannabis, demonstrating multidisciplinary adaptability and precision management.