4. incomparable diamond -World’s Largest Diamonds

The Incomparable Diamond belongs to the family of magnificent and rare yellow diamonds.
It was originally found in 1984 in the Democratic Republic of Congo (what was known as Zaire) in Mbuji Mayi, a small unknown town.

It has earned many titles due to its weight. When it was found, the rough diamond weighed 890 carats (about 178 gr). It is the fourth-largest rough diamond and the largest brown diamond that was ever found.

The Incomparable Diamond Cutting Process
The cutting of the Incomparable was done by an entire team led by Marvin Samuels was owned the diamond together with Donald Zale of “Zales Jewelers” and Louis Glick who bought it from De-Beers.

It took them several years of analyzing it before deciding what to do with it. Should it be cut into the world’s largest diamond (even bigger than the Cullinan Diamond) or should they settle for the size and have a high-clarity diamond by cutting out the imperfections?

In the end, it was decided to cut the incomparable into one main big diamond with high clarity and additional 14 smaller diamonds. The final weight of the main diamond is 407.78 carat (81.5 gr) and is still referred to as the incomparable diamond. The incomparable diamond was graded by the GIA as Shield Step Cut (trilliant), Fancy Deep Brownish Yellow Diamond, Internally Flawless. Interestingly, the other 14 polished diamonds that were cut are in a range of colors – from almost colorless diamonds to yellow-brown diamonds.

The unbelievable weight of the polished Incomparable diamond has earned many titles for being the third largest diamond in the world (polished diamond) and the largest Internally Flawless diamond.

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