Platypus Economics with Justin Wolfers Platypus Economics with Justin Wolfers

How Lab-Grown Diamonds Broke the Market | Off the Clock

Aug 15, 2026 · 1h 3m

Summary

Justin Wolfers and Stacey Vanek-Smith analyze recent inflation and labor market data, discussing Fed Chair Kevin Warsh’s opaque communication style and the impact of declining immigration on job growth. They then explore the diamond-water paradox, examining how lab-grown diamonds have disrupted natural diamond prices by altering supply dynamics and consumer perceptions of value.

Topics discussed

Intro: Belly piercings and lab-grown diamond banter Guest intro and preview of diamond industry topic Inflation report: 3.4% headline and wage stagnation Fed communication styles: Greenspan vs. Bernanke Kevin Warsh's opacity and Fed independence Transparency as a shield for Fed credibility Labor market: Job losses and immigration decline Break-even job growth and retirement trends Lab-grown diamonds: Price collapse and celebrity carbon The Diamond-Water Paradox and marginal utility De Beers marketing and engagement ring economics AI disruption compared to lab-grown diamonds Chart smack talk: Income happiness vs. consumer sentiment Analysis: Why Americans fear inflation despite data Outro: Summary and final thoughts
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