Jools Holland

At 11, I went to live with my maternal nan and granddad temporarily, after my parents separated, and Nan would let me have a go on her piano. My grandparents were like something out of the Noel Coward play, 'This Happy Breed,' and it was magical to hear them sing music-hall songs.

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.