atelier ST,CAT will open a diamond-focused ring shop in Yoyogi-Uehara on June 27

The new Uehara 1-chome shop is listed with 10:00 to 18:00 weekday hours, weekend reservations, and planned walk-ins on weekdays from July.

atelier ST,CAT says it will open an engagement ring and diamond ring specialty shop called -u- atelier ST,CAT in Yoyogi-Uehara on Saturday, June 27, 2026. The official release places the new shop at 1-25-3 Uehara, Shibuya-ku, first floor, about three minutes on foot from the brand's main store.

For local readers, the practical details are the visit rules and timing. The release lists opening hours of 10:00 to 18:00 with Tuesdays closed, says weekends will be reservation-only, and notes that weekend bookings open from 12:00 on Wednesday, June 10. It also says weekday walk-ins are planned to begin from July.

The same release says the new space will focus on engagement rings and diamond rings, including the brand's first lab-grown diamond lineup. Because opening operations and reservation rules may change close to launch, check the official release or the brand website before heading over.

Source: BH Long press release

-u- atelier ST,CAT

東京都渋谷区上原1-25-3 1F