Geoffrey Zakarian

The price of diamonds can vary greatly depending on size, cut, color, and other factors, including whether they have a history. But because of the rarity of blue boron diamonds, they often fetch more money than gems of similar quality.

In 'The Plato Papers' I wanted to get another perspective on the present moment by extrapolating into the distant future. So in that sense, there's a definite similarity of purpose between a book set in the future and a book set in the past.