File:De Allnatt diamant.jpg

A 101.29-carat (20.258 g) antique cushion-shaped brilliant fancy vivid yellow diamond which is believed to have been found in the Premier mine in the South African Republic. It got the name Allnatt[10] after one of its owners, Major Alfred Ernest Allnatt. The diamond was sold for a little more than $3 million at Christie's auction in Geneva in May 1996.