EPISODE · Dec 15, 2025 · 57 MIN
Episode 407: Seth Rosen - CEO & Co-Founder, CustomMade
from The VentureFizz Podcast · host VentureFizz
Episode 407 of The VentureFizz Podcast features Seth Rosen, Founder & CEO of CustomMade. A common theme that you’ll hear throughout this interview is the importance of resiliency. Sure - the media loves the story of the latest company that has achieved $100M ARR in a month (I’m obviously kidding), but the overwhelming majority of businesses are a grind. It’s about taking a bunch of punches, getting back up and figuring it all out. It’s not all rainbows and butterflies, which is why I was excited to interview Seth. The story of CustomMade has lots of twists and turns… from rapid growth… to later salvaging the company by structuring a deal with Wayfair to acqui-hire their employee base… to the insanely successful reboot! Today, CustomMade is a leading online custom jeweler that specializes in creating personalized, one-of-a-kind jewelry pieces, such as engagement rings, wedding bands, and more. The platform simplifies the entire custom process, helping buyers create their vision and working with master jewelers to bring it to life. Chapters: 00:00 Intro 00:11 Importance of Resiliency 01:20 The Right Business Model: Subscription vs Marketplace 02:52 Seth's Background 06:24 Meeting Mike Salguero While Working in Real Estate 12:51 Background Story of CustomMade 20:55 Raising Venture Capital for CustomMade 24:58 Building & Running an Online Marketplace 27:30 The Challenges of Running an Online Marketplace 29:24 Making a Deal with Wayfair 31:33 CustomMade Reboot 36:38 CustomMade Today - The World's Largest Online Custom Jeweler 40:10 What are Lab Grown Diamonds 44:24 SEO & GEO 49:20 Seth's Other Initiatives in the Gem Industry 50:46 Seth's Role as a Venture Partner at WTI
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Episode 407: Seth Rosen - CEO & Co-Founder, CustomMade
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