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"Initial D" x KARATZ collaboration



About the pop-up store

KARATZ Pop-up in Shinjuku Marui Annex 2F
Period: Friday, December 12th, 2025 to Thursday, December 25th, 2025
Location: Shinjuku Marui Annex 2F
Business hours: Weekdays 11:00-20:00 / Saturdays, Sundays, and holidays 10:30-20:00
*December 18th (Thurs) and December 25th (Thurs) are scheduled to end at 5:30 PM.

● What's on offer: - Actual display and order sales of 30th anniversary coins - Stock sales of 30th anniversary merchandise *Once in-store stock runs out, these will only be available through the online store.

About online orders

Sales period: December 12, 2025 (Friday) 22:00 - January 12, 2026 (Monday, national holiday)
*Sales may end or be suspended once the available number is reached.

● Estimated delivery date of goods
・Expected delivery date: Late January 2026 or later *Shipping fee: 480 yen nationwide (free for purchases over 8,000 yen including tax)

Expected delivery date of the coin
The launch is scheduled for mid-April 2026.
*This may vary depending on the production situation.

KARATZ Custom Made

Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.

KARATZ・Five Commitments

So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.

KARATZ's Initiatives and Social Contributions

We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.

KARATZ Books

These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.

jeweler's tools

For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.