Old Masters at Sotheby's dominated the list, but a colorful George Condo painting from an online sale also made the cut.
In the 1940s, while Brazil's cultural establishment remained skeptical of modernism, Bittencourt founded the Museu de Arte ...
The extremely rare, 10-carat Mediterranean Blue diamond could fetch a whopping $20 million at Sotheby's High Jewelry auction ...
A rare 10.03-carat blue diamond, known as The Mediterranean Blue, will be on display in Abu Dhabi on April 8, marking its ...