Mysterious Collector’s Patek Philippe “Titanium Collection” at Auction
Exclusive photos of this 11-piece collection, which will be auctioned off at Sotheby's Important Watches auction...
Yellow Diamond Graff Ring Sells for $16,347,847 at Auction
The top lot from Sotheby's Magnificent Jewels & Noble Jewels sale set a world auction record for a yellow diamond...
