GSI’s Colored Stone Professional (CSP) Diploma programme, recognised for its innovative combination of theoretical knowledge and practical, real-world experiences, recently embarked on an educational mine visit to Sri Lanka’s renowned Rakwana Gem Deposit. As part of the recent CSP student cohort, the visit was organised to provide comprehensive and immersive exposure to the gemstone pipeline, encompassing mining, processing, and trading.
Ramit Kapur Quote
“Experiences such as these are essential for developing a well-rounded understanding of the gemstone industry,” says Ramit Kapur, MD, GSI India.
Sri Lanka Backdrop
Sri Lanka, with its rich heritage and world-renowned gemstones, provides the perfect backdrop for such learning. By engaging directly with the mining process and following the journey through cutting, processing, and trade, students not only bridge the gap between geological science and commerce but also gain a true appreciation of the value each gemstone carries through its transformation.
Rakwana Gem Deposit
As part of the field visit, students explored the Rakwana Gem Deposit in Sri Lanka’s Ratnapura District, a globally recognised source of fine sapphires since 2017. They observed small-scale mechanised mining carried out on agricultural lands, yielding sapphires alongside chrysoberyl, spinel, and tourmaline. The visit also included demonstrations of manual gravel sorting, where skilled miners separate gem-bearing pebbles.
Meenu Vyas Quote
“Classroom learning provides the foundation, but witnessing the journey of gemstones at their source offers an unparalleled perspective,” says Ms. Meenu Vyas, Chief Global Gemologist & GSI Education Centre. “Through this visit, students gained first-hand insights into Sri Lanka’s pivotal role in the global gemstone economy and developed a stronger appreciation of the processes that shape a gemstone’s value—from extraction to trade.”
Karawita Mining Area
The visit extended to the Karawita Mining Area, where students observed both artisanal and mechanised mining, followed by demonstrations of traditional Geuda sapphire heat treatment in Ratnapura. They also explored the gem markets of Ratnapura and Beruwala, engaging with traders to understand market dynamics, negotiation practices, and global trade systems.
Beruwala Gem Cutting Workshop
At the Beruwala Gem Cutting Workshop, students witnessed the precision of cutting and polishing sapphires, gaining insight into how cut, clarity, and colour determine value.
GSI’s CSP Diploma Programme
GSI’s CSP diploma programme in Jaipur, continues to emphasise the importance of combining theory with intensive practical sessions. Whether students are learning to identify over 1,000 varieties of gemstones, visiting gemstone cutting factories, or learning from industry leaders through guest lectures, the programme provides them with the kind of experience that cannot be learned from textbooks alone.
Holistic Education
Through the CSP programme’s experiential approach, students gain a nuanced understanding of the entire gemological process, from mining and cutting to trading. This holistic education not only prepares students to become experts in the field but also shapes them into well-rounded professionals who can drive innovation and ethical practices in the gemstone industry.
About GSI
Gemological Science International (GSI) is the only major gemological organization established in the 21st century. Founded in 2005 in New York City, it has grown to become one of the largest gemological entities in the world with laboratory facilities spanning four continents. Utilising cutting-edge processes and proprietary technologies, along with a commitment to the highest ethical standards and practices, GSI provides manufacturers and retailers globally with a wide range of gemstone identification and grading services. The company is committed to advancing gemological research and offers gemological educational programs for trade professionals and the general public.
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