DiamondBuzz

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

Published

12 months ago

April 14, 2025

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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

GIA Celebrates World Diamond Day Highlighting Iconic Gems

Institute Spotlights Historic Diamonds Like the Hope, Dresden Green, Winston Red, Taylor Burton, Motswedi

Published

5 hours ago

April 9, 2026

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The Gemological Institute of America (GIA) marked World Diamond Day on 8th April by highlighting a selection of historically significant precious stones it has examined, underscoring their rarity, scientific importance and cultural legacy.

Below is a concise analytical breakdown of the stones and their significance from a trade, scientific, and storytelling angle:

Key diamonds highlighted

Hope Diamond (45.52 ct, Fancy Deep greyish blue)
Traced to Golconda‑type deposits in India, this stone passed through French royalty before entering private and then museum collections, and today sits at the Smithsonian. Its combination of intense blue colour, provenance, and storied “curse” lore has made it one of the most‑recognised diamonds in the world, frequently used as a reference point in colour‑diamond marketing and exhibitions.
Dresden Green (~41 ct natural green)
The largest known natural green diamond, with an even green hue produced by natural ionising radiation in the crust. Its high purity and Saxon–European royal‑court history make it a benchmark for both rarity and the link between gemstones and political‑dynastic symbolism.
Winston Red (2.33 ct Fancy red)
A rare old‑mine‑cut Fancy red stone, of which only about 0.04% of fancy colour diamonds attain such a grade. As the only Fancy red diamond on public display, it is a key reference for dealers and collectors benchmarking the value of red‑dominant fancy colours.
Taylor‑Burton Diamond
A 68‑carat pear‑shaped D‑colour stone cut from a 240‑carat rough from South Africa’s Premier‑type deposit, later made famous by Richard Burton and Elizabeth Taylor. Its celebrity‑driven glamour elevated high‑colour‑clarity white diamonds into pop‑culture icons, reinforcing the “diamond as romance” narrative that still dominates bridal jewellery advertising.
Motswedi Diamond (2,488.32 ct rough)
Recovered in Botswana in 2024, this is the second‑largest gem‑quality diamond ever discovered and a high‑purity Type IIa crystal. Its size and purity allow scientists to study how carbon crystallises under extreme pressures deep in the Earth, making it a research‑grade specimen as well as a commercial headline‑maker.
Several stones—Hope, Dresden Green, Taylor Burton, and Winston Red—carry strong narratives of royalty, curses, Hollywood romance, and extreme rarity.
GIA’s highlighting of these gems on World Diamond Day is a strategic blend of education and soft branding:
It positions diamonds as objects of history and art, not just commodities.
It reminds buyers, retailers, and media that GIA sits at the centre of authenticating and contextualising these legendary stones.gia+1

Beyond these diamonds, GIA has documented historic and royal artefacts such as the Marie Thérèse Pink diamond and the Mughal era “Mughal Spectacles,” helping to codify their gemmological and provenance data. This work reinforces its positioning as both a research institute and a preserver of the cultural heritage layer of gemmology, bridging ancient craftsmanship with modern scientific verification.