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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

World Silver Survey 2026: A Transformative Era For The Silver Market, Characterized By Extreme Price Volatility

Landmark Year Where Supply-Demand Imbalances Finally Triggered Explosive Price Action

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The World Silver Survey 2026 details a transformative era for the silver market, characterized by extreme price volatility, a shifting industrial landscape, and a definitive end to the era of “unlimited liquidity.” After years of structural deficits, 2025 emerged as a landmark year where supply-demand imbalances finally triggered explosive price action.

Price Performance and Market Dynamics

Silver witnessed a spectacular ascent in 2025, surging from under $29/oz to a December peak of $84/oz. This momentum culminated in an all-time record of $121.60/oz in January 2026, before a hawkish Federal Reserve pivot and geopolitical conflict in Iran induced a sharp correction. Despite this volatility, the gold-to-silver ratio compressed significantly, reaching a decade-low of 55:1 by late 2025, signaling silver’s outperformance relative to gold.

Supply: Record Margins and Recycling

Global mine production rose 3% to 846.6 Moz in 2025. Growth was fueled by high-grade ramp-ups in Chile, Peru, and Russia, offsetting a 5% decline in Mexico caused by regulatory shifts and falling grades. Notably, primary silver mines now account for only 26% of global supply, leaving the market increasingly dependent on by-product output from copper and gold operations.

While production rose, the real story lay in profitability. Record gold prices boosted by-product credits, driving silver miners’ All-In Sustaining Costs (AISC) down to $12.21/oz. This created a staggering 75% increase in profit margins, with nearly the entire primary silver sector remaining profitable. Additionally, recycling hit a 13-year high of 197.6 Moz, though refinery bottlenecks limited its full impact.

Demand: A Tale of Two Sectors

For the first time since the pandemic, total silver demand contracted by 2% to 1,130.6 Moz. This was driven by two main factors:

  • Industrial Thrifting: Industrial demand fell 3%, primarily due to the solar industry. As silver costs spiked to 20% of cell manufacturing costs, manufacturers accelerated “thrifting” technologies, reducing silver loading in photovoltaic (PV) cells.
  • Price Sensitivity: High prices crushed jewelry and silverware demand, particularly in India, where fabrication dropped 20%.

Conversely, physical investment remained robust. Demand for coins and bars rose 14%, led by a massive 33% surge in India and a doubling of investment demand in China.

The Liquidity Squeeze and 2026 Outlook

A critical theme of the report is the structural fragility of inventories. In October 2025, a convergence of ETP inflows and physical demand led to a liquidity squeeze in London, sending overnight lease rates to 200%. With London’s non-ETP stocks hitting record lows, the market proved it no longer has a “buffer” for sudden demand spikes.

Looking ahead to 2026, Metals Focus projects a sixth consecutive deficit of 46.3 Moz. While industrial and jewelry demand may continue to soften under price pressure, silver’s new status as a U.S. Critical Mineral and its growing role in AI data centers provide a strong floor. The market remains in a state of “permanent deficit,” where cumulative shortfalls (totaling 716 Moz over five years) ensure that silver remains a high-stakes, strategically vital asset.

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