Original Release Date: June 5, 2025Today's Mystery: In the mid-19th Century, a young English woman has inherited a large Indian diamond from her evil uncle. She decides to wear it as a brooch on her eighteenth birthday. What could go wrong?Original Radio Broadcast Date: April 2, 1948Originating from ChicagoStarring: Sherman Marks as Gabriel Betterridge; Charles Mountain as Franklin Blake; Geraldine Kaye as Rachel Verinder; Alma Fox; Jane Elliot; Ruth Shane; Sidney Breese; Arthur Peterson; Boris Aplon; Margaret BraytonSupport the show monthly at patreon.greatdetectives.netPatreon Supporter of the Day: Harold, Patreon supporter since September 2017Support the show on a one-time basis at http://support.greatdetectives.netMail a donation to: Adam Graham, PO Box 15913, Boise, Idaho 83715Take the listener survey at http://survey.greatdetectives.netGive us a call at 208-991-4783Follow us on Instagram at http://instagram.com/greatdetectivesFollow us on Twitter @radiodetectives