"KARATZ Pop-up Store" to Be Held at 2k540 from July 30 to August 2
Gemstone specialty store KARATZ will hold its pop-up store from Thursday, July 30 to Sunday, August 2, 2026 at 2k540 AKI-OKA ARTISAN (under the elevated tracks between JR Akihabara and Okachimachi). The event displays and sells gemstones gathered from around the world, including monthly birthstones, the Big Five gemstones, and Paraiba tourmaline, with daily custom-order consultations.
