"Julia," an elaborate fractal-inspired necklace set with 423 diamonds and 1,739 sapphires, is expected to sell for 25 million zlotys or more at DESA Unicum's private sale in Poland. (The zloty is the official currency of Poland. Twenty-five million zlotys is equivalent to about $6.2 million.) Designed in 2009 by Aussie Marc Newson for the […]