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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

Will RBI Rate Hikes Make Gold Loans Costlier?

With Bullion rIces Sliding From Recent Peaks, Borrowers Face A Dual Squeeze: Potential Upward Adjustments On Floating Borrowing Costs and Lower Loan Amounts Against Pledged jJewellery.

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Potential rate hikes by the Reserve Bank of India (RBI) could push borrowing costs higher across the financial system, but the transmission to gold loans will not be immediate or uniform across all lenders, analysts and industry executives said.  With bullion prices sliding from recent peaks, borrowers face a dual squeeze: potential upward adjustments on floating borrowing costs and lower loan amounts against pledged jewellery.

Key Takeaways for Borrowers & Lenders

Non-Uniform Transmission: A repo rate hike does not guarantee a 1:1 surge in gold loan rates. Lenders pricing credit via non-bank finance company (NBFC) cost-of-funds channels may adjust rates on a different timeline compared to banks operating direct floating-rate transmission models.

Loan Structure Matters: Existing fixed-rate borrowers remain protected for their contract term, while floating-rate borrowers face higher interest costs upon contract reset dates.

Collateral & LTV Risk: A fall in gold prices reduces the value of pledged collateral relative to total debt. Lenders are required under RBI regulations to enforce a strict loan-to-value (LTV) ceiling of 75%, leaving borrowers vulnerable to margin calls or mandatory partial pay-downs if market prices breach regulatory margins.

Commercial banks experience a high and direct immediate impact from a central bank rate hike, as their benchmark-linked External Benchmark Lending Rates (EBLR) force floating borrowing costs to reset quickly.

In contrast, gold loan NBFCs face a moderate or delayed impact, with interest rate adjustments depending on their broader liability structure, wholesale borrowing costs, and competitive market positioning.

For fixed-rate contracts, a rate hike has no immediate impact, keeping borrowing costs steady until the specified term ends. Conversely, floating-rate contracts carry a high impact, with interest charges stepping upward automatically on the loan’s next periodic reset date.

Strategic Considerations

Borrowers considering a gold loan amidst rate uncertainty and volatile commodity prices should evaluate the following structural factors:

Calculate Servicing Capacity: Assess whether monthly cash outflows can accommodate potential interest rate resets on floating-rate agreements.

Review LTV Margins: Evaluate pledged jewellery value at current spot rates to maintain a safety cushion above the mandatory 75% LTV regulatory threshold, mitigating auction risk during sharp gold pullbacks.

Compare Fine Print: Look past headline interest rates to evaluate reset frequencies, processing charges, prepayment penalties, and default auction clauses across competing bank and NBFC offerings.

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