The Archduke Joseph
The approximate worth of this diamond is USD25 million. This is one of the most expensive colorless diamonds. It weighs about 76.02-carat. Every carat has been sold at auctions. The diamond was discovered in the Golconda mines in India, and it has cushion-like shape. It was named after Austria’s Archduke Joseph August, the great-grandson of a Roman emperor and a French king.
Star of Africa
The Star of Africa weighs about 3,106.75 carat or 6211.35 g. this is one of the largest gems of high quality, and has come from the Premier mine near Pretoria, South Africa. The diamond was cut and polished for clarity at the research lab in England. Today, it has been cut into seven major stones and 95 small pieces, and is being owned by the British crown.
Le Bijou du Roi
The approximate worth of this diamond is USD25 million. This is one of the most expensive colorless diamonds. It weighs about 76.02-carat. Every carat has been sold at auctions. The diamond was discovered in the Golconda mines in India, and it has cushion-like shape. It was named after Austria’s Archduke Joseph August, the great-grandson of a Roman emperor and a French king.
Steinmetz Pink Diamond
The Steinmetz Pink weighs 59.60 carat or 11.9g and has a Fancy Vivid Pink color. This is an appealing vivid pink diamond. The team had taken about two years to give it a beautiful look. The fine product was revealed to world in May 2003. The diamond was discovered in one of South African mines.
Centenary Diamond
The Centenary Diamond was first discovered on July 17, 1986, in the Premier Mine. It weighs about 273.85 carats or 54.77 g, and it is one of the largest diamonds ever produced. This is widely known for its clarity. The original weight of this diamond was 599 carats or 120 g upon its discovery.