The GuardianUK News & Comment• 1 min read

Diamonds for sale: lab-grown gem auctions are all over TikTok right now, but some aren’t happy about it

Published 22 August 2026, 1:00pm

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.

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