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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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Jewellery Stocks Under Pressure As Gold-Buying Concerns Trigger Fresh Selling

The Weakness In Jewellery Stocks Comes Against A Challenging Backdrop For Indian Equities. The Sensex and Nifty Both Fell On Wednesday As Surging Crude Prices and Renewed US-Iran Tensions Intensified Inflation and Interest-Rate Concerns

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Major listed jewellery stocks came under renewed selling pressure, with investors trimming exposure to the sector amid concerns over high gold prices, macroeconomic uncertainty and the potential impact of repeated calls for restraint on non-essential gold purchases.

The selling comes even as the underlying jewellery business remains relatively resilient, highlighting a growing disconnect between strong operating performance and near-term stock-market sentiment.

Kalyan Jewellers India emerged as one of the biggest casualties. The stock came under sharp pressure, falling as much as around 4–7% intraday in recent sessions. The correction is notable because the company reported a 46% year-on-year increase in consolidated Q1 FY27 revenue to ₹10,588.9 crore, while EBITDA rose 25% and PAT increased 32%. 

The stock’s weakness underscores the market’s focus on margins and sustainability of growth rather than headline revenue expansion. Kalyan’s Q1 gross margin declined to 11.9% from 13.9% a year earlier, with a higher contribution from old-gold exchange transactions also weighing on margins. 

Sky Gold also witnessed heavy selling, falling around 5–6% in Wednesday’s trade. The stock had delivered a strong run earlier in 2026, making it particularly vulnerable to profit-taking as investors reassess valuations amid broader weakness in gold-linked counters. 

Titan Company was also lower. The stock had closed at Rs 5,035 on September 1, down 1.58%, while broader jewellery counters remained under pressure. 

Thangamayil Jewellery declined around 1.8%, continuing the sector-wide bout of profit-taking. Despite the recent weakness, the stock remains one of the strongest performers in the sector in 2026, having gained substantially earlier in the year. 

PC Jeweller and Augmont Enterprises also faced selling pressure, while Senco Gold bucked the broader trend. Senco rose 1.19%, making it one of the few major jewellery counters to finish in positive territory. 

Macro fears add to sector pressure

The weakness in jewellery stocks comes against a challenging backdrop for Indian equities. The Sensex and Nifty both fell on Wednesday as surging crude prices and renewed US-Iran tensions intensified inflation and interest-rate concerns. 

Gold itself also weakened, with international prices falling to a more than three-week low as a stronger dollar and renewed inflation fears raised expectations of tighter US monetary policy. 

The sector has additionally been sensitive to Prime Minister Narendra Modi’s recent appeal to consumers to avoid non-essential gold purchases, a message that investors fear could influence discretionary jewellery demand. Jewellery stocks including Kalyan, Titan and others had already reacted sharply to the earlier appeal. 

Strong business, weak stocks?

The latest sell-off raises an important question for the jewellery industry: Is the market pricing in a demand slowdown that is yet to appear in operating numbers?

Industry fundamentals remain more nuanced. Indian jewellery consumption continues to be supported by weddings, festivals, organised retail expansion and consumers shifting towards lighter, value-oriented designs. Recent industry commentary has also pointed to resilience in jewellery sales despite lower physical gold volumes. 

The current market action therefore appears to reflect a combination of profit booking, elevated valuations, gold-price volatility, macroeconomic risk and concerns over future discretionary consumption, rather than a broad-based collapse in jewellery demand.

For the jewellery sector, the message from Dalal Street is clear: strong revenue growth is no longer enough. Investors are increasingly looking for margin quality, sustainable volume growth and visibility on consumer demand before rewarding jewellery stocks with higher valuations.

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