228.3 Carat White Diamond
Dubbed "The Rock," this rare pear-shaped diamond weighs in at a whopping 228.3 carats, making it the largest white diamond ever to cross the auction block. It was initially mined out of South Africa over 20 years ago and features a G color with VS1 clarity. Estimated to fetch up to $30 million, the mesmerizing stone with be a part of Christie's Luxury Week at the Four Seasons Hotel in Geneva and will sell on May 11, after touring Dubai, Taipei, and New York.