The Graff Pink Diamond

Harry Winston, a jeweler who collected valuable stones, was the first to own this gem. For over 60 years, Harry maintained this gem in his personal collection.

Laurence Graff eventually bought the diamond for $46 million in 2010. Undoubtedly, the Graff Pink Diamond is one of the most expensive gemstones in the world. Graff is the King of Bling, a diamond collector.

Although the Graff Pink Diamond is extraordinarily pricey, some people appear to believe that its beauty is worth it. "Its beauty has plagued me since the very first time I set eyes on it some years ago," one devotee said.

Despite the fact that many people assumed this diamond was flawless, Laurence Graff discovered "25 natural defects." Graff reportedly employed cutting-edge technology to correct the defects while maintaining the diamond's original form.

Price: $46 million

Year Sold: 2010

Number of Carats: 24.78

Interesting Fact: Kept in a private collection for 60 years