The Light Performance provides an advanced cut analysis grading technique and is especially important for diamonds that appear identical on paper – same 4Cs – but differ noticeably in sparkle and visual presence. For retailers and brands, the Light Performance score enables clearer product differentiation and storytelling. For consumers, it brings greater clarity, confidence, and control, ensuring they’re investing in diamonds that deliver exceptional beauty. This service benefits both the industry and consumers by establishing a consistent, wide-range standard for evaluating and communicating a diamond’s visual performance.  Light Performance reports are available for diamonds which achieve an “Exceptional” score – whether natural or lab-grown – across IGI’s global grading facilities. IGI will also extend the Light Performance service to reports previously graded by external laboratories, boosting their market appeal.

Tehmasp Printer, MD and CEO, IGI, stated:

Following IGI’s Light Performance Analysis, qualifying diamonds receive a primary score for overall performance, along with individual scores for three key components: Brightness (all reflected and refracted white light), Fire(dispersed light seen as flashes of color), and Contrast (balance and intensity of bright and dark areas).  The scoring breakdown appears visually on IGI’s Light Performance Report, alongside the 4Cs, offering a complete view of diamond quality. Each score is scientifically repeatable and based on how the diamond’s specific measurements, angles, and facet groups interact with light. A Structured Light Environment representation, modeled with ray-tracing software, serves as performance proof. These details reveal how the diamond reflects and refracts light – the main drivers of brilliance and sparkle in the real-world settings.

A standout feature of the system involves IGI’s proprietary contrast evaluation, which uses a real-world distance of 40cm for primary assessment.

“Transparency and full diamond analysis are the cornerstones of our work.” Printer continued. “Every gem we evaluate – natural or lab-grown – is assessed with the same precision, expertise, and commitment to quality.”

stated John Pollard, Senior Director of Education at IGI, USA.

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The company has reported 16% growth in revenues and 37% growth in EBITDA on a year-on-year basis, driven by strong growth momentum across all its key business segments, viz, natural diamonds, lab-grown diamonds, jewelry, and gemstones.

Consolidated revenue from operations for the quarter stood at INR 3,009 Mn, and EBITDA stood at INR 1,735 Mn. The EBITDA margin has improved from 49% in Q2 2024 to 58% in Q2 2025. PAT for Q2 2025 was reported as INR 1,265 Mn, a growth of 63% on a year-on-year basis, with PAT margins at 42% vs 30% in Q2 2024.

For the Half year ended June 2025, the Company has reported 13% growth in revenues from operations and 23% growth in EBITDA in H1 2025 when compared with H1 2024. EBITDA margins are up from 56% in H1 2024 to 61% in H1 2025. The consolidated PAT for H1 2025 stood at INR 2,673 Mn, showing a 31% increase over H1 2024, with margins up from 38% in H1 2024 to 44% in H1 2025

Key financial highlights – IGI Consolidated (INR in MN):

Tehmasp Printer, Managing Director and CEO of IGI, said,

“I am happy to report the Company has seen strong growth momentum across all its segments compared to the previous quarter.

For over a century, the 4Cs—cut, color, clarity, and carat—have served as the universal language of diamond quality. At IGI, we uphold these standards not out of convention, but out of a deep respect for the consumer’s right to make informed decisions and feel confident in every purchase. Modern consumers are increasingly discerning—they demand transparency, authenticity, and traceability. In today’s market, identifying the origin of a diamond—whether natural or lab-grown—has become critically important, both for ethical assurance and value clarity.

At IGI, we have gone beyond the traditional 4Cs and have introduced a proprietary ‘Light Performance Analysis’, which is a scientific assessment that measures how a diamond interacts with light. This would provide a deeper insight into critical visual attributes—brightness, fire, and contrast—which collectively define a diamond’s true ‘sparkle’.

Additionally, along with our core segments of natural diamond certification and lab-grown diamond certification, we are also seeing a strong demand for certification of natural diamond and lab-grown diamond jewelry, which will further accelerate the growth of our business in the quarters to come.”  

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IGI pioneered lab-grown diamond grading in 2005. Recognizing their identical properties to natural diamonds, IGI applied the existing 4Cs to prevent industry and consumer confusion, mirroring the approach taken in the cultured pearl market.

The statement released by the institute reads: “Since its inception, IGI has remained steadfast in its mission as an independent, third-party authentication body – unbiased and free from external influence. Our commitment to transparency, integrity, and scientific accuracy has earned us the trust of consumers, manufacturers, and retailers around the world.

Every diamond we certify undergoes a rigorous 14-step grading process, carried out by expert gemologists using state-of-the-art equipment – upholding accuracy, impartiality, and trust at every step.

IGI Reaffirms Its Commitment to Full 4Cs Grading Standards for Natural and Lab-Grown Diamonds. For nearly a century, the 4Cs – Cut, Color, Clarity, and Carat – have served as the universal language for assessing diamond quality. At IGI, we uphold these standards not merely out of tradition, but from a deep-rooted belief in the consumer’s right to transparency, knowledge, and confidence.

At IGI, we’re not just grading diamonds – we’re safeguarding the trust that consumers place in us.”

A Global Leader with Recognized Credentials

• With 31 laboratories across 10 countries, IGI operates the world’s largest gem lab network. Our leadership in diamond and gemstone certification is built on:
• ISO 17025 accreditation, validating our technical precision and adherence to international standards.
• Big Four as our internal auditors, reinforcing robust internal governance.
• Membership with the Responsible Jewellery Council (RJC) reflects our ethical responsibility and sustainability commitment.
• Uniquely, IGI is the only gemological laboratory in the world listed on the stock exchange, underscoring our financial transparency and global accountability.

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INDIA: Mia by Tanishq, one of India’s leading fine jewellery brands, announces the ‘Joy of Gifting Festival’, just in time for the wave of the wedding season and graduation celebrations. This limited-time offer gives customers a flat 20% off on making charges of diamond jewellery, making it the perfect time to gift something precious for the many milestones life brings.

With the wedding season in the air, Mia offers a thoughtful curation of jewellery that makes gifting effortless—whether you’re honouring the bride on her big day, curating meaningful pieces for the bridesmaids, or looking to gift the family and friends of the couple. Mia’s contemporary yet timeless designs cater to every kind of celebration, ensuring that your gift is as memorable as the moment itself.

Beyond weddings, the Joy of Gifting Festival arrives at the perfect moment for students graduating into new chapters of their lives. Celebrate academic milestones with a piece of fine jewellery that marks not just achievement, but the promise of what lies ahead. Whether it’s for a loved one or a personal reward, Mia’s stunning assortment of collections is perfect to make graduation moments shine.

Mia by Tanishq offers an array of collections, made in 14kt and 18kt gold, adorned with certified natural diamonds. Available at sweet selling price points, the brand offers versatile pieces that can be worn every day or thoughtfully gifted to loved ones. Innovative designs, including elaborate earcuffs, brooches that double as pendants, lightweight earrings, stackable bracelets, trendy sui-dhagas, and intricate rings. The brand’s latest collection – The ‘Mia Fiora’ Collection brings delicate floral motifs to life, featuring intricate designs that reflect the freshness of spring and the essence of personal growth. Gold filigree petals, dainty layered patterns, and hand-carved stones come together to create pieces that celebrate sophistication and individuality.

Available from 23rd May to 8th June, the offer is valid at all Mia by Tanishq stores and online at www.miabytanishq.com. Don’t let the offers slip away – visit your nearest Mia store or shop online at their website.

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PUNE: Malabar Gold & Diamonds, the world’s 6th largest jeweler, is set to launch 12 new showrooms by March 2025 to further strengthen its presence across India. The latest expansion drive will take the total showroom count to 391 showrooms across 13 countries and a presence in 19 states across India.

The new showrooms will be located at Panvel in Mumbai, Sinhagad Road in Pune, Brahmapur and Soubhagya Nagar in Odisha; Dhanbad in Jharkhand, Hospet, Nagarbhavi and Chitradurga in Karnataka; Nandyal, Amalapuram, Machilipatanam in Andhra Pradesh, Varanasi in UP.

Malabar Group has invested Rs. 600 crore in this expansion phase and hired 406 employees in various roles this financial year.

Malabar Gold & Diamonds plans to open 60 new showrooms in 2025, further expanding its global presence. In April 2025, the Group is set to inaugurate 5 new showrooms, marking its expansion into the Middle East, UK, and Canada.

Malabar Gold & Diamonds has launched a consumer awareness campaign with prolific actor and brand ambassador NTR Jr. The campaign highlights the brand as a responsible jeweler, emphasizing its commitment to sustainable practices, authentic hallmarked jewelry, and certified natural diamonds.

Commenting on the expansion, MP Ahammed, Chairman, of Malabar Group said, “Our expansion plan is aligned with our broader vision of extending our global footprint and offering quality-focused, transparent retail practices coupled with a world-class shopping experience to more people across the world. We are deeply committed to ethical business practices and responsible sourcing, which are at the core of our values. As we continue to grow and enter new markets, each showroom opening represents a step closer to realizing our vision of becoming the world’s number-one jewelry and luxury brand. This global market penetration not only broadens our reach but also strengthens our position as a trusted brand that offers excellence, integrity, and unparalleled luxury to our customers worldwide.”

All our showrooms will offer a diverse range of traditional and contemporary jewelry collections, coupled with a personalized shopping experience, demonstrating Malabar Gold & Diamonds’ dedication to customer service excellence.

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De Beers Group, the world’s leading diamond company, and Tanishq, India’s largest jewelry retail brand from the Tata group, today announced a long-term strategic collaboration to connect more Indian consumers with the rarity and preciousness of natural diamonds and amplify the growing opportunity in the Indian market.

With a vibrant economy, a growing middle class, and discerning consumers who seek jewelry with enduring value, demand for natural diamond jewelry from Indian consumers has surged recently and now represents 11 percent of global demand. This has seen India replace China as the second-largest market in the world for natural diamond jewelry. With diamond acquisition rates in India well below those in mature markets such as the US, this provides a significant opportunity to catalyze further growth for natural diamond jewelry in India.

To help unlock the growth opportunity, Tanishq, and De Beers have agreed to come together on a long-term collaboration to enhance consumer education, interest, and confidence, and to promote natural diamonds across India. Through this collaboration, the two parties will capitalize on Tanishq’s deep understanding of the Indian market built up over three decades, combined with De Beers’ expertise in the diamond category, to deepen consumer desire for and confidence in natural diamonds, underscoring their inherent value, rarity, and timelessness.

The collaboration will focus on building extensive consumer outreach, deepening the capabilities of Tanishq’s retail staff to communicate about natural diamonds, educating consumers about authenticity, and shaping customer experiences as they explore their desire for natural diamonds and studded jewelry. This will also be supported by a compelling 360-degree marketing campaign to build awareness and target expanding the customer base in the country, including first-time buyers.

The new collaboration builds on the existing relationship between Tanishq and De Beers, with Tanishq already using De Beers’ proprietary diamond verification technology to support the assurance of the authenticity of its products. The two parties are also in talks regarding opportunities to collaborate on traceability, how Tanishq’s diamond supply needs can best be met, and further opportunities to use De Beers’ proprietary technologies to support pipeline integrity.

Sandrine Conseiller, CEO of De Beers Brands, said: “India’s love affair with diamonds has flourished over thousands of years, and we are thrilled to partner with Tanishq to unlock the full potential of this vibrant market. Like De Beers, Tanishq recognizes the power, preciousness, and prestige of natural diamonds, and combining our expertise with their deep understanding of the Indian market, we will work together to create something special to connect more Indian consumers to these natural treasures and their enduring value.”

Ajoy Chawla, CEO of, Jewellery Division, Titan Company Limited, said: “The opportunity in India for diamonds is massive, given the very low penetration of studded jewelry and the rising per capita incomes in the world’s most populous country. Tanishq has been a pioneer in democratizing diamond jewelry in the market for three decades and has always targeted the modern progressive woman. Tanishq Diamonds adheres to the strictest standards, with all diamonds responsibly sourced in compliance with the Kimberley Process Certification Scheme (KPCS) and the Tanishq Suppliers Engagement Protocol (TSEP).

We offer our certificate of Tanishq Diamond guarantee and have the most transparent buyback policy in India, enabling trust and peace of mind for our customers. In an increasingly man-made world where virtual living is becoming the norm, people crave authentic brands, and real experiences and value natural, wholesome products. All Tanishq Diamonds are natural, rare, and valuable and have attracted our customers with innovative designs. The collaboration with De Beers will unlock new opportunities for both Tanishq and the diamond sector, celebrating the eternal beauty of these miracles of nature.”

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The award acknowledges Malabar Gold & Diamonds’ dedication to procuring responsibly mined gold and diamonds from legitimate sources, ensuring that every piece of jewelry is crafted with the highest standards of purity and integrity. On behalf of Malabar Gold & Diamonds, O. Asher, Managing Director of India Operations, received the award from Dr. Sundaravalli Narayanswamy, Chairperson of the India Gold Policy Centre, at a function held at the Hilton Manyata Business Park, Bangalore. Also in attendance were Sitaraman Varadarajan, Head of Business Development at Malabar Gold LLC; Dileep Narayanan, Head of Bullion at Malabar Gold & Diamonds; Sunil Kashyap, Director of Finmet PTE Ltd; Praveen Baijnath, CEO of Rand Refinery; and Filsor Babu, Karnataka Regional Head of Malabar Gold & Diamonds.

Speaking on the occasion, Malabar Group Chairman, M.P. Ahammed, expressed his gratitude and reaffirmed the company’s commitment to ethical practices. He said, “We are deeply honored to receive the Responsible Jewellery House Award from IGC. Gold and diamonds are treasured gifts, often exchanged during life’s most joyful moments, such as weddings and birthdays. We are committed to ensuring that these precious materials are ethically sourced, from legitimate origins, and free from exploitation. Only then can these gifts truly embody the sanctity, purity, and brilliance they symbolize. We uphold this commitment from the moment gold is mined to the final product reaching our customers.”

O. Asher, Managing Director of Malabar Gold & Diamonds India Operations, highlighted the company’s adherence to legal and tax regulations in every country it operates. “We ensure that the gold bars we buy and sell are responsibly sourced and fully legal. We use London Bullion Market Association (LBMA) quality-certified London Good Delivery Bars (LGDB), Dubai Good Delivery Bars (DGDB), and HUID-hallmarked Indian Good Delivery Bars. Malabar Gold & Diamonds has already established itself as a trusted jewelry brand worldwide.”

Malabar Gold & Diamonds currently operates 355 stores across 13 countries, employing around 21,000 people from 26 different nationalities. With more than 15 million satisfied customers from over 100 countries, the company offers world-class facilities in all its stores. Through its ‘One India One Gold Rate’ initiative, Malabar Gold & Diamonds ensures uniform gold pricing across India.

The Malabar Group also stands out for its significant contributions to corporate social responsibility (CSR). Since its inception, the Group has allocated 5% of its profits to various CSR initiatives. Notable projects include the ‘Hunger-Free World’ initiative, providing meals to those in need, and the ‘Grandma Home’ project, offering shelter and care to destitute women. Additionally, the Group supports medical aid for the underprivileged, house construction assistance, educational scholarships for girls, and financial aid for the marriages of young women from economically challenged backgrounds. To date, more than INR 250 crore has been spent on these impactful initiatives.

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The Event: Dazzle with Diamonds

Jigar Vora, Director of Business Development at SGL Labs, emphasized, that “Dazzle with Diamonds” is more than just a celebration; it is an educational initiative that recognizes the vital role of retail sales teams in the industry. It is because of the dedication and expertise of the retail sales staff that the gems and jewelry industry has grown to an $85 billion market. It is crucial to continuously educate them and celebrate their success.“

Key Highlights of the Event

Dazzle with Diamonds was a full-day event. The morning session, inaugurated by Saurabh Gadgil, was dedicated to educating the retail sales staff of all jewelers in Pune. The evening event featured two engaging panel discussions, hosted by esteemed jewelers of Pune. The guest of honor, Fatehchand Ranka, added prestige to the occasion.

Women’s Leadership in the Male-Dominated Gems and Jewellery Industry: This session highlighted the achievements of prominent female leaders who are industry directors, showcasing their contributions and inspiring future generations.

A Decade of Transformation: Conventional Business to Gen Z Innovations: This discussion explored how millennials and Gen Z are revolutionizing the industry with their knowledge and creativity, blending traditional practices with modern innovations.

In this panel discussion, prominent participants Neha Lagu (Lagu Bandhu Motiwale), Shaneika Rathod (Rathod Jewellers), Sheetal Ranka (Ranka Jewellers), Jigar Vora (SGL Labs), Anup Lunani (Solitoria), Vastupal Ranka (Ranka Jewellers) and Tanay Rathod (Rathod Jewellers) were present.

The Importance of Certification

Jigar Vora remarked on the significance of certification in today’s market. “As the industry evolves, the role of certification becomes even more critical. It ensures the authenticity and quality of both natural and lab-grown jewelry, providing consumers with confidence in their purchases. At SGL, we remain committed to maintaining the highest standards of certification, adapting to the changing landscape while upholding our principles of integrity and excellence.”

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“Safe Harbour rates for foreign mining companies selling raw diamonds in India will benefit the domestic diamond sector. 92% of the raw diamonds mined globally are polished in India. With this announcement, import prices for diamonds will reduce, which will have a spillover effect on polishers and exporters, reducing export and retail prices in tandem. This will likely push polishers’ volumes in an otherwise subdued export environment while supporting operating profitability.”

Aditya Jhaver, Director, CRISIL Ratings

“The reduction in basic customs duty on gold to 6% from 10% is expected to provide a fillip to gold jewellery sales, which have been tepid in the recent past because of high prices. This will drive up volumes for domestic gold jewellery retailers including during the festive and wedding seasons.”

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The NUWA collection celebrates nature’s intricate designs, waves, forms, folds, and textures, masterfully crafted into luxurious pieces of diamond jewelry. Drawing inspiration from the elegance and resilience found in the natural world, each piece in the collection has been meticulously crafted, refined over time, and perfected to emerge as a glorious, intricate work of art, just like women who navigate the ups and downs, standing tall and resolute in the dreams they hold. Each piece is a testament to the elegance, strength, and grace that women embody.

MP Ahammed, Chairman, of Malabar Group, said, “We are incredibly proud to introduce the NUWA collection, which celebrates both nature and the indomitable spirit of women. Each piece in this collection has been crafted with immense care and precision, reflecting nature’s intricate beauty and women’s resilience. We are honored to have Kareena Kapoor Khan launch this collection, as she perfectly represents the grace and awe that NUWA stands for.“

The NUWA collection by Malabar Gold & Diamonds stands as a testament to the women of today, their commitment to excellence, celebrating the intricate beauty of nature and the empowering essence of womanhood. Like all diamond jewelry at Malabar Gold & Diamonds, NUWA also comes with the assurance of Malabar Promises like responsibly sourced natural diamonds, tested and certified diamonds, 100% exchange value, diamonds of natural origin, 100% transparency, guaranteed buyback, etc.

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