Streamed auctions offer a cheap way to buy the precious gems, but experts warn that quality is not guaranteed The first time Andrea Greenhill came across a livestream auction for lab-grown diamonds while scrolling on TikTok, she was stunned. While the diamond engagement ring her husband proposed...
Source: [Guardian International](https://www.theguardian.com/technology/2026/aug/22/tiktok-auctions-lab-grown-diamonds)