Chow Tai Fook will unveil the 104-carat Cullinan Heritage 1, a diamond cut from an original 507.55 carat Type IIA rough diamond, known as the Cullinan Heritage and which the company acquired from Petra Diamonds in an auction, in 2010, reports say. The Cullinan Heritage 1 is a D color internally flawless round brilliant-cut diamond. It will showcase along with other diamonds also cut from the Cullinan Heritage, on November 28, during a celebration for its 85th anniversary, reports say.

The piece has been cut and polished by the company's craftsmen and certified by Forevermark, reports add. Also, the stone will be set will be set into jewellery, reports add.

The Cullinan Heritage, which Chow Tai Fook acquired for US$35.3 million was discovered in the Cullinan mine in South Africa and is the largest of its grade to have been recovered there since 1986.