Its been twenty years since such a mighty colorless diamond has hit the auction block. At 101.27 carats, this gigantic gem is expected to bring in more than $6 million when auctioned at the Hong Kong branch of Christie's later this year. On display in London currently until February 27th it will be one of only four colorless diamonds over 100 carats ever auctioned. And I thought ten carats was a sizable rock!
