A ‘D’ colour Internally Flawless pear-shaped diamond weighing 100.10 carats was sold for SF 19,858,500 ($16,561,171; £10,548,444) at Sotheby’s, Geneva, Switzerland on 17 May 1995.

It was purchased by Sheikh Ahmed Fitaihi (Saudi Arabia), who obtained it for his chain of jewellery shops in Saudi Arabia.

Info taken from attempt ID: 75735, info has been used before in earlier books.