Expert Matteo Sharma (@thepebblemerchant) reveals that IDKAT group doesn't know as much about diamonds as they thought they did. Our merch store is now live! Go to idontknowaboutthat.com for shirts, hoodies, mugs, and more! Subscribe to our Patreon at patreon.com/IDKAT for ad free episodes, bonus episodes, and more exclusive perks! Tiers start at just $2! Go to JimJefferies.com to buy tickets to Jim's upcoming tour, The Moist Tour.See omnystudio.com/listener for privacy information.