Name: The Centenary Diamond
Also Known As: The De Beers Centenary Diamond
Price Estimation: $100 Million USD
Size: 54.770 grams
Color: White / Colorless
Cut: Modified Heart-Shaped Brilliant Cut
Carat: 273.85 carats
Originally Belonged To: De Beers
Centenary Diamond History
While a few diamonds have long, complicated testimonies attached to the Centenary Diamond records is a reasonably short one. Discovered within the Premier Min in July of 1986 with the help of an X-ray imaging device, this massive stone weighed 599 carats (119.8 grams) uncut. It is the 1/3-biggest diamond to pop out of the Premier Mine. With a grade of D, it’s far internally and externally flawless.
The Centenary Diamond turned into formally unveiled inside the rough on the Centennial Celebration of De Beers Consolidated Mines on 11 May, 1988. Julian Oglivie Thompson, chairman at the time, said, “We have recovered at the Premier Mine a diamond of 599 carats which is best in the shade – indeed. It is one among the biggest pinnacle-shade diamonds ever discovered. Naturally, it will be called the Centenary Diamond.”
The Centenary Diamond Is Cut
Cutting a treasured – now not to say large – stone which includes the Centenary diamond requires understanding. De Beers selected Gabi Tolkowsky to move the group liable for the undertaking. A mainly decided on a group of safety guards, engineers, and electricians have been assigned to the crew, and a unique underground room was designed to facilitate the operation. Mechanical vibrations, temperature variations, and different elements that could intervene with cutting the stone have been minimized, assisting to lessen the potential for expensive mistakes that would motivate the Centenary diamond history to take a flip for the more serious.
It required 154 days to hand-cut the Centenary Diamond into an egg-shaped stone weighing roughly five hundred carats. The crew presented the De Beers plank with 1-3 different designs, highly advocating the heart-shaped design that was altered. Accompanying records read:”Effectively, the Centenary Diamond is formed like a hub, but does not have a groove. The picture that the staff had in your mind has been a shape which may adorn the turban of the Sultan or even a Maharaja.” The board settled onto the core shape, and also the team chose to trim on the diamond.
The Centenary Diamond turned into ultimately completed in February of 1991. This mind-blowing gem has a complete of 247 facets including 164 on its pavilion and crown, and every other 83 on its girdle. While the Centenary diamond cost has in no way been publicly appraised, it becomes insured for extra than $100 million on the time of its public unveiling in 1991.
Mystery Surrounding The Centenary Diamond
The De Beers Corporation happily loaned the Centenary Diamond to the Tower of London, wherein it becomes put on public show for some years. A few mysteries is surrounding the stone’s current possession; it’s far believed that the Centenary Diamond is no longer owned through De Beers, however, the new proprietor is unknown. De Beers, citing its strict anonymity coverage, has declined to comment on the possession reputation of the Centenary diamond.
Centenary Diamond Value Today
Among top-shade diamonds, Only the Cullinan I and Cullinan II diamonds are larger than the Centenary. In 1991, Mr. Nicholas Oppenheimer, then Deputy Chairman of De Beers, made an assertion: “Who can place a fee on this sort of stone?” Given the deep thriller surrounding its whereabouts, the stone is one many would love to realize more approximately. As for the Centenary diamond value, nobody is positive. Because it’s far one in every of a type, of such length and purity, it’s far “valuable.”