DiamondBuzz
Lab-grown diamond jewellery brand Ethera raises ₹25 crores from BlueStone to accelerate growth and retail expansion
The jewellery brand currently operates five retail stores across Bengaluru and New Delhi, alongside a strong digital network across India
Ethera, a Bengaluru-based laboratory-grown diamond jewellery brand, has raised Rs.25 crore from Bluestone, which has doubled down on its investment to support the brand’s next phase of growth and expansion. The development marks a continued commitment towards scaling Ethera’s market presence.
India’s lab-grown diamond jewellery market is witnessing a rapid momentum, driven by evolving consumer behaviour, rising demand for everyday jewellery, and a growing preference for ethical and transparent luxury. The lab-grown diamond (LGD) segment in India represents an estimated ~$500 million revenue opportunity today and is growing at 35–40% year-on-year. By 2030, LGDs are expected to form a meaningful share of the overall diamond jewellery market, underpinned by structural shifts in purchasing preferences.
Ethera is well-positioned to serve this shift with a strong design pipeline, launching over 200 new designs every month, supported by a rigorous 40-point quality check across every piece.
Founded in 2024 by Nitesh Jain and Sharad Arora, Ethera is a design first contemporary jewellery brand built for the modern, confident woman. Rooted in the belief that jewellery shouldn’t be locked away but worn and lived in, Ethera offers a wide range of classic and modern everyday designs crafted using IGI certified lab-grown diamonds and BIS hallmarked gold across categories including earrings, bracelets, solitaires, pendants, and necklaces. Ethera’s collections are designed to move seamlessly from everyday wear to personal milestones, reflecting individuality, confidence, and evolving personal style. The brand caters to women who value thoughtful design, curated wardrobes, and quality.
The fresh capital will be primarily deployed to expand Ethera’s physical retail footprint. In a span of 1 year, the brand has already expanded and currently operates five retail stores in Bengaluru and Delhi, with multiple new locations set to go live in the coming weeks and several more already in the pipeline. Alongside retail expansion, Ethera will continue to invest in deepening its in-house design creation capabilities, strengthening its technology stack, and accelerating brand awareness to support sustained omnichannel growth.

Commenting on the announcement, Sharad Arora, Co-Founder Ethera, said, “Everything we’re building at Ethera starts from first principles: understanding the customer, the category and the long-term opportunity. That clarity is shaping Ethera into a brand defined by strong design, transparent values and a consistent experience across channels. BlueStone’s strategic backing strengthens our ability to expand our retail presence, deepen our supply-chain capabilities and build the operational backbone needed for the scale ahead.”
Nitesh Jain, Co-Founder Ethera, added, “Jewellery today is a powerful form of self-expression, and women are increasingly choosing pieces that reflect their individuality and life journeys. At Ethera, our focus has always been on design, quality, craftsmanship, and consistency. This capital enables us to expand our retail reach while continuing to invest in systems that deliver consistency and trust at every touchpoint.”

As Ethera enters its next phase of growth, the brand remains focused on its philosophy of jewellery as self-expression, designed to be worn every day and become a part of lived experiences.
source:Ethera
DiamondBuzz
Rio Tinto shuts Diavik mine operations after 23 years
Diavik has been an inspired collaboration between a mining company and Indigenous partners
After 23 years of operations and more than 150 million carats of rough diamonds produced before exhausting its economic reserves, Rio Tinto’s Diavik diamond mine in the Northwest Territories of Canada has celebrated its final day of production.
Rio Tinto Iron & Titanium and Diamonds MD Sophie Bergeron said: “Forty years ago there were very few people who believed there were diamonds in Canada – even fewer could have foreseen how the Diavik story would unfold. To arrive at this milestone has required vision, courage and determination to overcome significant challenges to mine diamonds beneath a frozen lake in one of the world’s most remote and pristine ecosystems.”
“Today, Diavik’s influence stretches into many spheres and over many continents and I am very proud to acknowledge all those people who have contributed to the discovery and development of the mine and the production and marketing of some of the finest diamonds the world has ever seen.”
Diavik mine, comprising four pipes, was discovered in 1991, beneath Lac de Gras, 220 kilometres south of the Arctic Circle. Mining began in 2003 and utilising both open pit and underground mining methods, has produced predominantly white gem quality diamonds and a small proportion of rare yellow diamonds.
Indigenous Government Organisations, government representatives and other stakeholders attended a celebration at the mine, signalling the formal completion of production at Diavik.
Diavik has been an inspired collaboration between a modern mining company and Indigenous partners with an enduring legacy of socioeconomic benefits for the North. RT looks forward to continuing to respectfully reclaim the land in line with our commitments to, and in partnership with, the Government of the Northwest Territories and Indigenous partners.
Planning for Diavik’s closure has been ongoing, commencing before the mine even began production, with closure goals covering safety, land use, landforms, water, biodiversity, community capacity and resource development. Closure activities will extend to 2029, followed by a period of post-closure monitoring.
The final production of Diavik rough diamonds will be polished and sold through 2026 and beyond by Rio Tinto’s international network of customers, including its long-standing Select Diamantaires.
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