Christie's Auction House in Geneva displayed a historic Le Grand Mazarin diamond which belonged to the French royal family for more than 200 years and is considered the world's largest flawless D-coloured diamond, Wednesday, ahead of its sale at auction. With centuries of royal provenance, the 19 carat pink diamond took its name from Cardinal Mazarin, who served as France's Chief Minister in 1642... Еще. After Mazarin's death, the diamond remained in the French crown jewellery collection with owners ranging from King Louis XIV to Napoleon I. «It belonged to Louis XV, Louis XVI, Napoleon I, Marie Therese, Napoleon III, Empress Eugenie, and finally it was offered for sale in the auction of the French crown jewels in 1887 where it was purchased by Frederick Boucheron, and that was the last time the stone was ever offered for sale in auction, 130 years ago,» Christie's Auction House representative Raul Kadakia said before announcing the diamond's historical return to the auction on November 13th. Another perk of the auction is the rare type 2A, flawless, emerald-cut diamond which weighs 163.4 carats and is in D colour, one of the finest colours of diamond. It was found last year in Angola and is set to go to auction in Geneva on November 14 with the expected to sell for USD 30 mln (EUR 25 mln).