DiamondBuzz
Earth’s Billion-Year Secret Unearthed: 42-Carat Diamond Discovery Shocks Experts
A historic natural blue diamond from South Africa’s iconic Cullinan Mine captures global scientific and luxury attention
A rare and fascinating discovery has caught the attention of the world. A natural blue diamond weighing 41.82 carats has been found at the Cullinan Mine in South Africa, one of the most famous diamond mines in history. The diamond was discovered by Petra Diamonds, a South African mining company known for uncovering some of the world’s most exceptional stones.
For readers unfamiliar with the mine, the Cullinan Mine has a legendary reputation. It is the same mine that produced the original Cullinan Diamond, the largest rough diamond ever found, parts of which are now set in the British Crown Jewels. Discoveries from this mine have shaped global diamond history for more than a century.

This newly found blue diamond stands out not just because of its size, but because of its deep natural colour and clarity. Blue diamonds are among the rarest diamonds on earth. Even more unusual is finding a stone where size, colour and clarity come together so perfectly. Experts believe diamonds like this often go on to become historic jewels or prized museum pieces.
A Jewellery expert and author said, “The discovery of a 41.82-carat natural blue diamond at the Cullinan Mine is a rare and globally significant event. Combining exceptional size, vivid blue colour, and high clarity—an exceedingly uncommon alignment—this Type IIb diamond stands out as both a historic gemstone and a scientific marvel. Such discoveries reinforce South Africa’s legacy of extraordinary diamond finds and capture the imagination of collectors, museums, and the global luxury world.”
What makes blue diamonds especially fascinating is how they are formed. Their colour comes from tiny traces of boron that enter the crystal structure deep inside the earth. These diamonds are created billions of years below the surface under intense pressure and heat, making each stone a natural wonder shaped long before human civilisation began.
For Indian audiences, this discovery holds special meaning. India has a deep historical connection with diamonds, from the legendary Golconda mines to its position today as one of the world’s largest jewellery markets. Rare natural diamonds continue to hold emotional and cultural value for Indian consumers who see them as symbols of legacy, permanence, and artisanship.
As this 42-carat blue diamond begins its journey from the mine to a possible polished masterpiece, it has already secured its place as one of the most talked about diamond discoveries in recent times. It serves as a reminder that some of the world’s greatest treasures are still hidden beneath the earth, waiting to be found.
DiamondBuzz
De Beers Group Launches “Heera Hai Aapke Liye” Program at IIJS Bharat Signature to Revolutionize Natural Diamond Accessibility in India
De Beers Group, the world’s leading diamond company, marked a significant milestone in the Indian jewellery landscape with the official launch of the “Heera Hai Aapke Liye” program at IIJS Signature. The star-studded event featured actress Sonakshi Sinha, who joined Shweta Harit, Global Senior Vice President of De Beers Group and CEO of Forevermark, to unveil an initiative dedicated to making natural diamonds an integral part of daily life for the modern Indian consumer.



The “Heera Hai Aapke Liye” (Diamonds are for You) program is strategically designed to promote natural diamonds by raising awareness, boosting market visibility,and creating a seamless connection between retailers and consumers. With a focus on modern designs and attractive price points, the program also lets local retailers use De Beers Group campaigns as their own—second-piercing earrings, ‘Bestie’ bracelets, and ‘Intention’ pendants. It positions diamonds as a lifestyle choice for self-expression and daily wear.

Speaking at the launch, Shweta Harit, Global Senior Vice President of De Beers Group and CEO of Forevermark, detailed the evolution of the brand’s storytelling, stating, “De Beers Group has a rich legacy of creating iconic ritual campaigns that have shaped how the world perceives diamonds. With ‘Heera Hai Aapke Liye,’ program we are evolving that narrative for the Indian market to another level.
We are not just selling jewellery, we are making natural diamonds more accessible and desirable in India. Our goal is to empower retailers through INDRA (Indian Natural Diamond Retailer Alliance) to ensure that every ‘First Diamond’ journey is as credible as it is beautiful.”

Speaking on the occasion, Kirit Bhansali, Chairman, Gem & Jewellery Export Promotion Council (GJEPC), said, “IIJS has always been a powerful platform for shaping the future of India’s gem and jewellery industry, and the launch of ‘Heera Hai Aapke Liye’ at IIJS Signature reinforces that role. GJEPC is proud to partner with De Beers Group on the INDRA (Indian Natural Diamond Retailer Alliance) project, which is a critical step towards strengthening domestic demand for natural diamonds.
By empowering retailers, enhancing consumer confidence, and expanding access across metros and Tier 2 markets, this initiative aligns perfectly with our vision to grow the natural diamond category sustainably within India.”
The program ‘Heera Hai Aapke Liye’, rests on few strategic pillars aimed at industry growth and scalability:
- Stocking & New Consumer Opportunity: Identifying gold wholesalers and distributors across 15–20 cities to focus on a first-phase target of 500 retailers.
- Retailer Advantage: Providing a “Design Advantage” and strict “Product Hygiene,” backed by a clear buy-back policy and robust training and marketing support via the INDRA alliance.
- Heera Hai Aapke Liye is robust entry-level product kit featuring earrings, bangles, bracelets, etc supported by exclusive visual merchandising (VM) for display.
- Growth and Scalability: A PAN-India reach strategy designed to unlock new business opportunities for both manufacturers and retailers.


As India continues to grow as the world’s second-largest market for retail diamond jewellery, De Beers Group remains committed to strengthening the natural diamond narrative. By combining the emotional appeal of natural diamonds with the practical “Heera Hai Aapke Liye” framework, De Beers aims to build a sustainable future for the category across both metros and Tier 2 cities. De Beers and GJEPC aim to expand the base of Natural Diamond buyers, increase self-purchase consideration, and establish long-term credibility for the category.
-
National News2 hours agoSENCO Gold & Diamonds receives IAGES accreditation across 100+ stores pan India
-
National News3 hours agoANOR Redefines the 2026 Wedding Season with Premium Grown Diamonds for India’s New Luxury Bride
-
New Premises5 hours agoKalyan Jewellers Unveils Revamped South Extension Flagship in South Extension, New Delhi
-
New Premises21 hours agoChow Tai Fook Goes Global: Iconic Jeweler Debuts in Bangkok with Eyes on the West


