Jennifer Lopez and Ben Affleck have done more to educate the world about fancy diamonds than any two people alive.

Neither of their engagement rings was purchased at Astteria, headquartered in London, but they could have been.

Perhaps it’s because I devoted 30 minutes listening to Mr. Hadary’s podcast with Paul Zimnisky [scroll to bottom of page] that I have a sense of his personality.

He is absolutely an ambitious, very intelligent, savvy businessman. But there is also a warmth to his personality that inspires engagement and trust. He’s a human you want to know — an asset to the planet.