DiamondBuzz

Christie’s present The Golconda Blue:the largest fancy vivid blue diamond offered at auction

Published

1 year ago

April 14, 2025

Christie’s is proud to present The Golconda Blue—the largest Fancy Vivid Blue Diamond ever to be offered at auction. Weighing an extraordinary 23.24 carats, this superb historic gemstone will headline Christie’s Magnificent Jewels sale, taking place live on 14 May 2025 at the Four Seasons Hotel des Bergues in Geneva, with an estimate of $35 – 50 million. The Golconda Blue, perfectly mounted in a ring by JAR, is a true masterpiece with its recently uncovered royal provenance, mesmerizing colour, and sensational size. It ranks among the rarest and most important diamonds ever discovered throughout history.

This exceptional pear-shaped Golconda diamond boasts a remarkable provenance rooted in Indian Royalty. Yeshwant Rao Holkar, the Maharaja of Indore and a member of the Holkar dynasty, was known—alongside his wife—for a lifestyle defined by elegance and cosmopolitan sophistication in the 1920s and ’30s. A Knight of the Order of the Indian Empire, the Maharaja spent much of his time abroad, cultivating a strong affinity for Western art, design, and jewellery.

In 1913, his father acquired the famed Indore Pear diamonds from Chaumet, marking the beginning of a long-standing relationship with the historic Parisian Maison. In 1923, during another visit to Chaumet, he commissioned a diamond bracelet set with his own 23-carat pear-shaped Golconda blue diamond.

Drawn to the firm’s avant-garde flare, Yeshwant Rao Holkar appointed Mauboussin as his official jeweler in 1933. Thereafter, Mauboussin reimagined much of the Maharaja’s collection and created the exceptional necklace including the Golconda Blue and the Indore Pears, worn by the Maharani of Indore memorialized in a portrait by Bernard Boutet de Monvel (illustrated on top of release).

Yeshwant Rao Holkar also collaborated with other iconic jewelers, including Harry Winston. In 1946, Mr. Winston purchased the Indore Pears from the Maharaja, and the following year, in January 1947, he acquired this 23-carat blue diamond. Winston later set it in a brooch alongside a matching 23-carat white diamond, which he sold to the Maharaja of Baroda. The brooch was subsequently reacquired by Mr. Winston and resold as a newly designed jewel to its current owner.

Now, over a century later, this legendary blue diamond comes to auction for the very first time, set as a striking contemporary ring by the celebrated Parisian designer JAR.

The legacy of Golconda diamonds begins with a reference found in a 4th-century Sanskrit manuscript. In 327 BC, Alexander the Great brought diamonds from India to Europe, sparking the West’s enduring fascination with these rare gems. By 1292 AD, Marco Polo famously chronicled the captivating beauty of Indian diamonds in his travel writings. Today, The Golconda Blue stands not only as a natural marvel but also as a storied jewel—its provenance bridging continents, dynasties, and centuries.

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DiamondBuzz

DE BEERS GROUP Introduces Desert Diamonds Icons

Supported by the Diamond Industry’s Largest Marketing Budget In 15 Years, Desert Diamonds Icons Will Launch Ahead Of The End Of Year Holiday Season and Build On The Desert Diamonds Campaign’s Success In Driving Natural Diamond Desire

Published

3 days ago

May 30, 2026

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At the annual JCK Las Vegas Show – the largest jewellery event in the global calendar – De Beers Group today set out its view on the way forward for the natural diamond sector, calling on the trade to work together to capitalise on the early success of the Desert diamonds ‘beacon’ campaign with the introduction of Desert diamonds Icons.

The Desert diamonds beacon campaign launched in late 2025 and has already succeeded in shaping consumer demand for both natural diamonds in general and coloured diamonds in particular, with natural diamond sales at US independents increasing 4% in Q4 2025 and 9% in Q1 2026, while those in the K to Z colour range have seen even stronger growth, up 15% in Q4 2025 and 19% in Q1 2026.

Following the launch of Desert diamonds Bridal earlier this year, Desert diamonds Icons will focus on bringing a sense of newness and individuality to four iconic jewellery design classics – stud earrings, the eternity band, the tennis bracelet and the halo pendant – which between them comprise 70% of diamond jewellery acquisitions. Launching in September, the campaign will include training and marketing support for all retailers.

During a keynote presentation, De Beers Group executives stated that while demand has performed well for larger natural diamonds and this has supported stable retail sales value for natural diamond jewellery, it is critical for industry participants to work together on the campaign to drive demand across the natural diamond category as a whole.

With the campaign benefitting from the diamond industry’s biggest natural diamond marketing budget in 15 years, Desert diamonds is expected to deliver enhanced retail impact in 2026, based on a range of positive data points from its initial run. Growth in natural diamond desirability, online searches for natural diamonds, and increased coloured natural diamond sales across independent jewellers all highlight that the momentum behind the campaign is building. Noting that the 2026 campaign run will also benefit from a geo-targeting approach that directs consumers to specific retailers carrying Desert diamonds, De Beers executives encouraged the entire trade to support the fast-growing trend by stocking Desert diamonds Icons products and by signing up to Promoboxx to access marketing materials and participate in geo-targeting.

The presentation also included a summary of key consumer and industry insights published today in The Diamond Report, highlighting how commercial dynamics are evolving at pace for US jewellery retailers as the synthetic lab-grown diamond sector matures while consumer interest in natural diamonds grows.

Speaking at the presentation, Al Cook, CEO of De Beers Group, said:

“Consumer desire for natural diamonds is strong – but we need to work together as an industry in support of Desert diamonds to unlock the full value of the opportunity. The results from the campaign’s initial run demonstrate how it is already stimulating demand, and with Desert diamonds Icons we are doubling down at a critical moment.”

“The jewellery retail landscape is evolving at pace. With the sustained falls in price of synthetic lab-grown diamonds, and large falls in demand for larger synthetic lab-grown diamonds, there may be challenges ahead for retailers who focus on synthetic lab-grown diamonds.”

“However, with challenge comes opportunity, and the growing success of the Desert diamonds campaign is evident. As we head into the campaign’s second year, with the industry supported by the largest category marketing budget in 15 years, the natural way forward is clear to see.”

De Beers Group also reported in its presentation how collaboration continues deliver progress in other areas, with GIA’s purchase of an equity share in Tracr supporting the platform’s path to independence and providing the potential for it to scale faster across the sector.

Meanwhile, the Natural Diamond Council has put in place a compelling new strategy on the back of its growing budget, as more diamond producing countries and trade bodies have provided funding, and will introduce a new natural diamond trust mark to support consumer confidence through visible differentiation between natural diamonds and synthetic lab-grown diamonds.