The Arcot diamonds find their name from the Nawab of Arcot, Nawab Azim-ud-Daula, and the onetime proprietor of the diamonds, who shortly offered them to Queen Charlotte, the consort of King George III, in 1777.
Characteristics of the stone
The Arcot diamonds consisted of five brilliants, out of which simply the first two were of important sizes and were elliptical or pear-shaped, pale diamonds with the bigger one having a weight of 38.6 carats. When Harry Winston purchased the diamonds in 1959, he re-cut the two diamonds to enlarge their clarity and brightness and the new weights of the diamonds turned into 30.99 carats for the superior Arcots and 18.85 carats for the smaller one.
The diamonds being stones of 18th century India, have the color and clarity of the well-known Golconda diamonds and emerge to be Type IIa diamonds, which are completely colorless, being chemically clean in the lack of impurities like boron and nitrogen and structurally ideal in the lack of plastic deformations in the crystal, which can instruct various fancy colors to the diamond.
History of the diamond
Early History
The Arcot diamonds were presented to Queen Charlotte, the consort of King George III, in 1777, by the Nawab of Arcot, Azim-ud-Daula, as a symbol of thankfulness for the military rally round established from the British, next to the French and other armed forces related with the French, in the security and preservation of his kingdom. The Arcot diamonds were the most excellent along with the large group of Jewelry collective by Queen Charlotte.
The long expected and momentous sale took place on June 20, 1837, in London, at Willis' Room, in St. James. The Arcots obtained a price of £ 10,000, and was purchased as a birthday gift for his wife, by the first Marquess of Westminster, who also buyed the round brilliant and the Nassak diamond (Idol's Eye diamond).
Modern History
The Arcots and new diamonds stay behind in the control of the Grosvenor family for approximately 100 years. In the year 1930, the Arcots jointly with the round radiant and above 1,400 smaller diamonds, consisting of round brilliants, marquise-cut diamonds and diamond baguettes were increased on the eminent Westminster Tiara, by the famous Parisian jeweler Lacloche.