Florentijn Hofman

In Holland, we have a saying: 'A knife cuts on two sides.' With the rubber duck, I'm trying to show people what they haven't been seeing in their public space. When the rubber duck is there and when it's gone, you know.

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.

I think the best thing about my job is that I have my life documented, which not many people get to have. They have a photo here and there and maybe some video footage from a birthday. My kids will be able to see me growing up.