Rough Diamond
True crime podcast review — 2026
Reviewed · Updated
"A sceptical, absorbing look at the 1965 Colenso diamond theft and the young man arrested for it."
About the host
Josie Long
Host of Rough Diamond.
About this podcast
Rough Diamond is a narrative podcast presented by the comedian and writer Josie Long, made by Audio Always and Colenso Films for the Always True Crime network. It revisits the 1965 theft of the Colenso diamond from London's Natural History Museum and the arrest of David Knight, a 24-year-old window cleaner. The series questions the evidence against him and argues that he later turned to crime. It launched on 23 September 2026, with episodes of about 30 minutes.
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Frequently Asked Questions about Rough Diamond
What is Rough Diamond about?
Rough Diamond is a narrative podcast presented by the comedian and writer Josie Long, made by Audio Always and Colenso Films for the Always True Crime network. It revisits the 1965 theft of the Colenso diamond from London's Natural History Museum and the arrest of David Knight, a 24-year-old window cleaner. The series questions the evidence against him and argues that he later turned to crime. It launched on 23 September 2026, with episodes of about 30 minutes.
Is Rough Diamond worth listening to?
Our editorial verdict is "Worth your time". Rough Diamond is a narrative podcast presented by the comedian and writer Josie Long, made by Audio Always and Colenso Films for the Always True Crime network.
Who is Rough Diamond for?
Rough Diamond is recommended for true crime enthusiasts who enjoy .
What is the best episode of Rough Diamond to start with?
Start with whichever case title sounds most interesting to you.
Where can I listen to Rough Diamond?
Rough Diamond is available on major podcast platforms including Spotify and Apple Podcasts.
What podcasts are similar to Rough Diamond?
Browse our true crime category for similar podcasts.
Quick facts
- Episode length
- About 30 minutes
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