Graff’s Lesotho Promise necklace was designed from the 603 carat Lesotho Promise diamond stone, the 15th largest rough diamond ever recovered, found in the Letsenf diamond mine in the African country of Lesotho.

It was sold to Graff and its partner polishing company Safdico for $12.36 million in October last year.

Graff who cut the diamond into twenty six smaller diamonds ranging from .52 carats to the impressive 76.41 carat pear shaped at the tip of the necklace.

The Lesotho Promise diamond which was bought by diamond dealer Laurence Graff in 2006 has been cut into 26 smaller diamonds varying in size from .52 carats to 76.41 carats each with a D Flawless grade.

The 603-carat stone yielded 223.35 carats

Graff bought the rough stone for $12.36 million and is expecting quite a haul on his investment, he’s looking for a $50 million payday.