John Caudwell

My father was unwell when I was 11, had a stroke at 14 and died when I was 18. My mother going to work at seven in the morning and coming back to look after him and me and my brother left its mark on me.

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.

When I have a creative insight, there is a high. I think back in the day, I made music as much as I did because it made me feel so good. I think you could argue that there is a creative addiction - but, you know, the healthy kind.