Related Program: You Know The Place Stewart's Gem Shop By Lacey Daley • May 24, 2018 Related Program: You Know The Place TweetShareGoogle+Email Stewart's is located on Idaho Street in west downtown Boise. The Idaho Gem Club workshop can be found here too. Joel Wayne We stumbled upon a hidden gem in west downtown Boise that just happens to sell gems. Coincidence? You tell us. Listen Listening... / 22:47 Click 'play' to listen to the eighth episode of You Know The Place. TweetShareGoogle+EmailView the discussion thread.