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It was not until the Excelsior was found in 1893, the Jubilee in 1895 and above all, the discovery of the Premier Mine in 1902 that South Africa finally achieved recognition as a source of large white diamonds as well as yellow ones.
The early years of the South African diamond mining industry certainly witnessed the appearance, in unheard of numbers, of large yellow crystals, many of them octahedral in shape. The reigning Shah of Persia, Nasir ud-Din Shah (1848-1860) was among the first to appreciate them because he added numerous yellow diamonds to the
Crown Jewels of Iran, the largest of which is a 135-carat monster rivaling the Regent Diamond in size and shape. A few, including the Tiffany Yellow, came from the Kimberly Mine but by far the greatest number originated in the
De Beers Mine, which is the most likely source the Allnatt originated from.
This 102.29-carat cushion cut, its color having been certified by the GIA as Fancy Vivid Yellow, VS2 clarity, is named after its former owner, Alfred Ernest Allnatt. He was a soldier, a sportsman, an active patron of the arts and a noted benefactor in many spheres. He paid a then world record price for The Adoration of the Magi by Rubens which he presented to King's College, Cambridge, England, as an alterpiece for its famous chapel. He also had a passion for the Turf and bought 11 yearlings formerly owned by the late Sir Sultan Mohammed Aga Khan; he commented at the time, "All I know about horses is they are nice things to amble about on." The Aga Khan also owned several exceptional diamonds, among them the 33.13-carat pear-shaped Aga Khan III, which came up for sale at Christie's in Geneva in May of 1988.
Major Allnatt did not buy any of the Aga Khan's diamonds to add to his yearlings, but he did purchase this very fine diamond and in the early-1950s he commissioned Cartier to design a floral brooch setting for it. The piece is a design of a flower with five petals, lined with white baguette-cut diamonds, the petals themselves being comprised of brilliant cut diamonds, and the stem and two leaves also being comprised of the same cutting styles. The Allnatt is at the center of the flower. The entire piece is made of platinum. It was auctioned by Christies, again in Geneva, in May of 1996. On that occasion it fetched the phenomenal sum of $3,043,496. The present owner of the gem is the SIBA Corporation.
Actress Jenna Elfman opens the Splendour of Diamonds Exhibit at the Smithsonian, the Allnatt Diamond being the large yellow stone in front of her on the pad. The Millennium Star, at the left, is set in a diamond necklace.
The Allnatt paid a visit to the Smithsonian Museum in 2003, being part of an exhibit titled The Splendour of Diamonds. The exhibit lasted from June 27th to September 15th and featured a number of other unusual colored diamonds, namely the Millennium Star, the Heart of Eternity, the Pumpkin Diamond, the Red Shield Diamond (now known as the Moussaieff Red), the Ocean Dream, and the Steinmetz Pink.
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The Allnatt Diamond
