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VAJRA INDUSTRY RESEARCH AND ACADEMIC MEET (VAIRAM) 2025 organised by GJEPC, IIT Madras inaugurated in Chennai

The Vajra Industry Research and Academic Meet (Vairam) 2025, a joint effort by GJEPC and InCent LGD IIT Madras, was officially introduced at the IITM Research Park in Chennai.

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Madras at IITM Research Park, Chennai, was unveiled by Prof. V Kamakoti, Director, IIT Madras, Prof M S Ramachandra Rao, InCent-LGD, IIT Madras, Mr. Manish Jiwani, Co-Convener, LGD Committee, GJEPC and Mr. Sabyasachi Ray, Executive Director, GJEPC among other dignitaries and industry experts.

The workshop features several panel discussions. “Beyond Gems: Next-Generation Applications of OLab-Grown Diamonds” explores LGDs’ potential in various industries beyond jewellery. “Lab-Grown Diamond Growth and Treatment Recipes and Challenges” delves into the intricacies of CVD and HPHT methods. “Diamond Quality Checks and Certification” addresses the crucial need for standardised quality control for gems, jewellery, and seeds. “Lab Grown Diamond Machines and Processing Equipment” will highlight the importance of indigenous equipment manufacturing to bolster India’s self-reliance. The workshop has drawn 150 + participants from the industry.

Key Takeaways

Diamond Quality Checks & Certification:

  • Advanced treatments challenge LGD grading and certification accuracy.
  • Key challenges: ensuring grading accuracy, standardization, and detecting undisclosed synthetics.
  • Emphasis on advanced testing methods, tech-driven grading, and industry consistency.
  • Traceability of tested items is a major issue.
  • LGDs are both supplementary and complementary to the diamond industry.
  • Mimicking natural diamond growth patterns in LGDs remains a challenge.

LGD Growth & Treatment Recipes: Key Takeaways

  • Increasing nitrogen in HPHT accelerates growth, benefiting gem-quality diamonds but not other industrial uses.
  • Focus on optimizing growth parameters, impurity control, and enhancement for superior diamonds.
  • Challenges include consistency, reducing defects, scalability, and reliance on high-purity raw materials.
  • Future focus on refining processes, improving sustainability, and enhancing research-industry collaboration.

Diamond Quality Checks & Certification (Continued): Key Takeaways

Strengthening quality assurance frameworks is essential to ensure consumer trust globally.

Grading LGDs differs from natural diamonds, especially in color; secondary reference masters needed.

Labs must assess hue saturation and intensity, not just color for LGDs.

Clarity characteristics differ due to metallic inclusions in LGDs.

Color grading challenges arise in borderline clusters where AI struggles.

LGDs are cut for perfection, unlike natural diamonds, which are cut for weight retention.

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National News

India Hosts Kimberley Process Intersessional Meeting 2026 In Mumbai

Kimberley Process Meeting Focuses On Monitoring, Compliance and Sustainable Diamond Trade

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The Kimberley Process Intersessional Meeting 2026 commenced in Mumbai under India’s Chairship. The meeting, being held from May 11 to May 14, 2026, has brought together representatives from Kimberley Process Participants, Observers, and industry stakeholders from across the world to deliberate on key issues related to the global trade in natural diamonds.

Addressing the gathering, KP Chair 2026, Suchindra Misra, stated that the Kimberley Process has played an important role in supporting peace, protecting livelihoods, and strengthening legitimate diamond trade across producing nations. He emphasised the need to further strengthen trust in the system, enhance cooperation among participants, and ensure that the Kimberley Process remains relevant and effective in a changing global environment.

He also highlighted that natural diamonds represent a sustainable product and that the Kimberley Process continues to remain one of the most progressive certification systems globally.

The Intersessional Meeting will include discussions and meetings of various Working Groups and Committees over the coming days. The deliberations will focus on implementation of the Kimberley Process Certification Scheme (KPCS), monitoring and compliance mechanisms, artisanal and alluvial diamond production, statistics, and measures aimed at strengthening trust in the natural diamond value chain. The proceedings of the Intersessional Meeting will continue till May 14, 2026.

The meeting is also expected to provide an opportunity for Participants and Observers to exchange views on emerging challenges and collaborative approaches for enhancing consumer confidence in ethically sourced natural diamonds.

Senior officials of the Department of Commerce, Government of India, representatives from Kimberley Process Participants, members of the World Diamond Council, Civil Society Coalition members, and other stakeholders are participating in the Intersessional Meeting.

Quote attributed to Kirit Bhansali, Chairman, GJEPC :

“India today stands at the heart of the global natural diamond industry, not only as the world’s largest cutting and polishing center, but also as one of the fastest-growing diamond jewellery markets globally. As an industry, we remain committed to strengthening consumer confidence, promoting transparency, and working together with global stakeholders to ensure that natural diamonds continue to remain a symbol of trust, aspiration, and shared prosperity across the world.

GJEPC, as co-organizer of the Intersessional under India’s Kimberley Process Chairship, is pleased to support this important global platform that will help strengthen confidence, enhance compliance, and reinforce the credibility of the global diamond ecosystem.”

India’s Chairship theme for 2026 focuses on the 3Cs — credibility, compliance, and consumer confidence in the natural diamond sector, with emphasis on strengthening the future of responsibly sourced natural diamonds through constructive dialogue and international collaboration.

The Kimberley Process Certification Scheme (KPCS), established pursuant to the United Nations General Assembly Resolution 55/56 (2000), is an international initiative aimed at preventing the flow of conflict diamonds into the legitimate diamond trade. At present, the Kimberley Process has 60 Participants representing 86 countries, with the European Union and its Member States participating as a single bloc.

India assumed the Chairship of the Kimberley Process on January 1, 2026, reaffirming its commitment to strengthening responsible sourcing, transparency, and sustainability in the global diamond sector. As one of the world’s leading centres for diamond cutting and polishing, India continues to play an important role in advancing the objectives of the Kimberley Process.

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