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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