National News
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.
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.
National News
Limelight Lab Grown Diamonds Launches Powermark At IMA Hyderabad’s 87th Foundation Day Celebrations
Powermark Is Envisioned As A Symbol Of Professional Identity and Pride, With The collection Comprising Specially Designed Diamond Brooches Dedicated To Professions That Carry Immense Responsibility and Social Impact
Limelight Lab Grown Diamonds, India’s largest lab grown diamond jewellery brand, unveiled Powermark, its exclusive collection of diamond brooches created to celebrate the pride, dedication and achievements of professionals including Doctors, Chartered Accountants and Lawyers, at the 87th Foundation Day Celebrations of the Indian Medical Association (IMA), Hyderabad City Branch.
The launch, held at Temple View Hall, Hotel Abode, Lakdikapul, Hyderabad, brought together distinguished members of the medical fraternity and senior IMA leadership, including Padma Shri Dr. P. Hanumantha Rao, renowned Developmental Pediatrician, Rehabilitation Pediatrician and Rehabilitation Psychologist, who attended as the Guest of Honour, and Dr. Anil Kumar J. Nayak, National President, IMA HQS, who attended as the Chief Guest, along with several senior IMA office bearers and other eminent dignitaries.
Powermark is envisioned as a symbol of professional identity and pride, with the collection comprising specially designed diamond brooches dedicated to professions that carry immense responsibility and social impact. The collection celebrates the journey behind professional titles and the commitment, perseverance and expertise that define them.
Speaking on the occasion, Pooja Madhavan, Founder & Managing Director, Limelight Lab Grown Diamonds, said:

“Powermark is our way of recognising the people behind the professions we deeply respect. A professional title represents years of discipline, learning, sacrifice and service, and we wanted to create something that allows individuals to wear that pride. Launching Powermark at the IMA Hyderabad City Branch’s Foundation Day is particularly meaningful as we begin this journey by celebrating the medical fraternity and the immense contribution doctors make to society.”
Dr. Sai Ram Chinthamadaka, Hon. Secretary & Ex-President, IMA said:
“Powermark is a beautiful tribute to the medical fraternity. It acknowledges the years of discipline, sacrifice and service that go behind earning the title of a doctor. It was truly special to witness Powermark being launched at IMA Hyderabad’s 87th Foundation Day. Limelight has created something truly meaningful in the form of a diamond-studded brooch that represents our journey, achievements and identity, while also ensuring instant recognition of the profession we proudly belong to. I haven’t seen anything quite like this before.”

The launch also reinforces Limelight’s focus on creating contemporary jewellery that goes beyond adornment to carry meaning, identity and personal stories. With lab grown diamonds at its core, Powermark brings together the symbolism of professional achievement with modern diamond jewellery design.
The 87th Foundation Day programme included the IMA prayer, flag salutation, addresses by senior IMA leaders, the release of the IMA Hyderabad City Branch news bulletin and other commemorative activities, culminating in the Powermark launch ceremony.
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