14 October 2026International edition
Vol. I · No.
14 October 2026
AI in Fashion
DAILY
The daily briefing on AI in the fashion business
Where fashion meets artificial intelligence.
Jewellery and watches

4℃

F.D.C. Products · Japan

4℃ is a Japanese jewellery brand launched in 1972 by F.D.C. Products of Tokyo. It sells fashion and bridal jewellery through its own stores and online channels in Japan.

Facts
Launched1972
CompanyF.D.C. Products
HeadquartersShinagawa, Tokyo
Flagship4℃ Ginza, Tokyo
Websitefdcp.co.jp
Segment
Premium
Categories
Jewellery
Sales channels
Own storesE-commerce

What is 4℃?

4℃ is one of Japan's best known jewellery brands. It was first launched in 1972 by F.D.C. Products, a company based in Shinagawa, Tokyo, which aims to become Japan's leading jewellery company.

Products and positioning

The brand focuses on fashion jewellery and bridal rings for women. F.D.C. Products says 4℃ has established a tradition in Japan of giving jewellery to young women on their 19th birthday as a wish for a happy life.

  • Fashion jewellery, including necklaces exclusive to the Ginza store
  • Engagement and wedding rings through 4℃ BRIDAL
  • Sister lines such as EAUDOUCE4℃, Canal 4℃, RUGIADA, cofl by 4℃ and 4℃ HOMME+

Distribution

F.D.C. Products works on a speciality retailer model that covers product planning, design, production, sales and marketing. The 4℃ Ginza Flagship Store in Tokyo sells fashion jewellery on the ground floor and bridal jewellery on the first floor, and also stocks lines normally sold only online. Stores also operate in shopping centres across Japan.

Why it matters

4℃ shows how a vertically integrated jewellery brand can shape gifting customs in its home market, combining fashion, bridal and online-only sub-brands under one retail system.

Frequently asked questions

Where is 4℃ jewellery from?

4℃ is a Japanese jewellery brand, launched in 1972 by F.D.C. Products of Tokyo.

What does 4℃ sell?

4℃ sells fashion jewellery and, through 4℃ BRIDAL, engagement and wedding rings, alongside several sister lines.

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