Jewelry Day

What Is Jewelry Day?

November 11th is "Jewelry Day" in Japan, commemorating the official adoption of the carat as the unit for measuring gemstone weight under Ministry of Agriculture and Commerce Ordinance No. 54 on this day in 1909. It was established by the Japan Jewellery Association.

The Day the International Standard "Carat" Was Born

Jewelry Day aims to spread understanding of the cultural value of gemstones and jewelry, along with the measurement system that guarantees their quality.

• Origin: commemorates the official adoption of the "carat" as the unit for gemstone weight on November 11, 1909
• Purpose: to share the beauty, value, and meaning of jewelry as a gift with more people
• What a "carat" is: a unit representing gemstone weight, internationally defined as 0.2 grams per carat

The Meaning Behind Jewelry as a Gift

Jewelry is often given as a birthstone gift or to mark a special anniversary, carrying particular meaning. Each gemstone carries its own traditional symbolism and wishes passed down over time.

Tips for Marking This Day

• Look into your own birthstone
• Think about a piece of jewelry to give someone special
• Visit a jewelry store or exhibition
• Look into the history of gemstones and the origin of the carat

A Small Sparkle Carries a Cherished Feeling

A single gemstone carries special meaning for both the giver and the recipient. November 11th is a day to take a fresh look at the sparkle of jewelry.