Unearthing History: The Jagersfontein Mine and the Legend of the Excelsior Diamond
In the heart of South Africa’s diamond-rich soil, the Jagersfontein Mine emerged as a crucible of discovery during the late 19th century diamond rush. Situated 130 kilometers southeast of Kimberley, whose fame as a diamond mining center always overshadowed that of Jagersfontein, this mine harbored a secret that would captivate the world—the Excelsior Diamond.
Discovery of a Giant
On June 30, 1893, amidst the routine bustle of mining, a worker at the Jagersfontein Mine uncovered a remarkable find. In a shovelful of gravel, he unearthed a diamond unlike any seen before—a colossal gem with a blue-white tint, weighing an astonishing 995.20 metric carats. This discovery, the Excelsior Diamond, marked a turning point in the annals of diamond history.
Rise to Prominence
The Excelsior Diamond quickly ascended to fame, becoming the largest known diamond globally until 1905 when the Cullinan Diamond stole the limelight. Despite its immense size and exceptional quality, the Excelsior’s journey to recognition faced hurdles. Its discovery coincided with a contract expiration between the mining company and a London syndicate, leading to subdued publicity in prestigious British newspapers.
Transformative Journey
Transported to the offices of Messrs Wernher, Beit and Company in London, the Excelsior Diamond began a transformative journey under the skilled hands of Joseph Asscher, a master diamond cutter. Over two years of painstaking work, Asscher sculpted the rough diamond into ten exquisite stones, each bearing a unique brilliance and charm. The decision to cut the stone into smaller gems facilitated wider accessibility, yet divided the awe-inspiring spectacle of a single, massive faceted stone.
Cutting of the Excelsior Finally, after the diamond sat in the vault waiting for a buyer for many years, the owners made the decision to cut the stone into several smaller stones. This decision meant that the Excelsior would never be a single large spectacular faceted stone. At the time, the manager of the De Beers diamond syndicate said that the dividing of the stone into many small pieces was “the greatest tragedy of modern times in the history of famous diamonds”.[4] In retrospect, diamond experts feel that it should have been cut to yield a single large diamond.
Why it was not, remains a mystery. By contrast, the owners of the Cullinan Diamond cut that stone in such a way that the largest faceted diamond in the world came from it. The fate of the Excelsior kept it out of the Smithsonian or other historical museums.
It was cut without regard to its historical significance, and divided into small, easily sold assorted stones.
The named pieces were:
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- Excelsior I 69.68 carats pear shape
- Excelsior II 47.03 carats pear shape
- Excelsior III 46.90 carats marquise shape
- Excelsior IV 40.23 carats pear shape
- Excelsior V 34.91 carats marquise
- Excelsior VI 28.61 carats marquise
- Excelsior VII 26.30 carats pear shape
- Excelsior VIII 24.31 carats pear shape
- Excelsior IX 16.78 carats pear shape
- Excelsior X 13.86 carats pear shape
- Excelsior XI 9.82 carats pear shape
The 995-carat Excelsior Diamond was the largest diamond in the world when it was discovered in 1893 at the Jagersfontein Mine in South Africa. By chance, a worker spotted the stone in a shovel full of gravel. Sadly, the diamond was stored in a safe without a buyer until 1903, when it was shipped to Amsterdam and cut into ten smaller pieces. One of those pieces became the Excelsior I, a stunning 69.68-carat, pear-shaped diamond. The Excelsior I sold in 1996 to Mouwad Jewelers, where it was set in a bracelet. Our estimated net worth of the Excelsior I Diamond is (R 366,813,728.06) $19,712,054. (Net worth Estimate according the Exchange rates as of March 2024)
It would cost approximately ( R 5,502,593.84 ) $295,681 a year to insure it.
There were a further 11 smaller pieces, some only a fraction of a carat in weight. It was many years before all of the separate stones were sold. The cut stones were parceled out and sold to several different buyers. The Excelsior I, which came up for sale in 1991 and 1996, was purchased by Robert Mouawad for $2,642,000.
The remaining stones were used in various grand jewelry pieces such as extravagant tiaras and fabulous bracelets and other fine jewelry creations.
Legacy and Remembrance
The fate of the Excelsior Diamond reflects the paradox of its legacy. While its transformation facilitated wider appreciation, it dispersed the singular spectacle of a colossal diamond. Nevertheless, the Excelsior I, weighing 69.68 carats, and its companions, including the Excelsior II at 47.47 carats, continue to dazzle in private collections and occasional public exhibitions, reminding us of nature’s wonders and humanity’s quest for beauty.
Conclusion: A Testament to Timelessness
The saga of the Jagersfontein Mine and the Excelsior Diamond embodies the timeless allure of rare treasures and the indomitable spirit of human ingenuity. As these legends echo through history, they remind us of nature’s wonders and humanity’s quest for beauty, forever enshrined in the brilliance of a gemstone that once graced the depths of South Africa’s diamond mines.
The article is written by ShowMe, credits are given where credit is due links are added to the source of info, where applicable 
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