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NDC unveils Record-Breaking Diamonds: chronicling the extraordinary life stories of the planet’s most legendary gems

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In a world where rarity commands reverence, the Natural Diamond Council (NDC) unveils Record-Breaking Diamonds, a meticulously crafted report that chronicles the extraordinary life stories of the planet’s most legendary gems. This comprehensive volume traces these stones from their raw, unyielding origins deep within the Earth’s mantle to their dazzling polished perfection, weaving together the threads of geology, history, mining innovation, and masterful craftsmanship. Far more than a catalog of treasures, the report illuminates why these diamonds transcend mere luxury—they embody the sublime interplay of nature’s whims and human ingenuity, setting them apart as unparalleled wonders.

At the heart of the report lie iconic diamonds that have not only captivated imaginations but also redefined market benchmarks. Consider the Hope Diamond, a 45.52-carat deep-blue beauty now enshrined at the Smithsonian Institution in Washington, DC. Gazing upon its haunting allure, over 100 million visitors have pondered its cursed lore and royal provenance, from French kings to American tycoons. Equally mesmerizing is the CTF Pink Star, a flawless 59.60-carat fancy vivid pink diamond that shattered auction records in 2017, commanding a staggering $71.2 million at Sotheby’s Hong Kong—the highest price ever paid for a diamond at public sale. These stories, richly detailed in the report, reveal how such gems become cultural touchstones, their journeys echoing through centuries of human ambition and artistry.

Yet Record-Breaking Diamonds extends beyond historical romance to offer a forward-looking lens for the industry. Positioned as an enduring reference, it delves into the transformative role of modern recovery technologies—from advanced geophysical modeling to ethical mining practices—and precision cutting techniques that safeguard the integrity of exceptionally large crystals. These innovations have unlocked new possibilities, preserving record sizes and vivid hues that once seemed unattainable. For industry professionals charting market trends, investors eyeing precious metals, and enthusiasts alike, the report provides fresh insights into the diamonds’ scarcity and magnetic appeal, underscoring their role as timeless symbols of excellence in an era of evolving retail dynamics.

In essence, the NDC’s report reaffirms the diamond’s mythic status: born of volcanic fury billions of years ago, refined by cutting-edge science, and immortalized by human vision. It invites us to marvel at these landmark gems not just as commodities, but as testaments to rarity’s enduring power.

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DiamondBuzz

Rio Tinto’s Diamond Division Posts $79 Million EBITDA Loss in 2025

Higher output from Canada’s Diavik Diamond Mine offsets revenue decline, but end-of-life pressures continue to weigh on performance.

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Rio Tinto reported a challenging year for its diamond business in 2025, posting an underlying EBITDA loss of $79 million despite improved revenues. While the loss narrowed compared to the $115 million deficit recorded in 2024, the division remained under pressure amid a global diamond market slowdown and the nearing closure of its last active mine.

Annual revenue rose 19% to $332 million, supported by stronger production at the Diavik mine in Canada, Rio Tinto’s only remaining diamond operation. Output climbed 61% to 4.4 million carats, driven by the ramp-up of mining activities in the underground section of the A21 deposit, which began scaling up in late 2024.

However, the A21 underground ore body is expected to be depleted by the end of the first quarter of 2026, marking the end of Diavik’s operational life. The company plans to spend approximately $1 billion this year on closure activities related to Diavik, as well as rehabilitation work at the former Argyle Diamond Mine, which ceased production in 2020, and other non-diamond projects.

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JewelBuzz is Asia’s First Digital Jewellery Media & India’s No.1 B2B Jewellery Magazine, published by AM Media House. Since 2016, we’ve been the trusted source for jewellery news, market trends, trade insights, exhibitions, podcasts, and brand stories, connecting jewellers, retailers, and industry professionals worldwide.

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