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Fine diamond & gold jewelry

Morocco by jj

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JJ Charm Bar

Make it personal

Build a charm necklace that means something. Zodiac, initials and birthstones in solid gold.

Shop the Charm Bar

MEET THE JJ TEAM

BUILD BY WOMEN

JJ isn’t just a jewelry brand. It’s a team of women.

Every collection. Every decision. Every detail.Designed, led, and powered by women.

Different personalities. Different stories.One shared strength.

This is who we are.

AS SEEN ON

our designer

Meet Janice

Janice Grunwald is the visionary designer behind JJ Jewelry, a bold and modern spin-off of the renowned Princess Jewelry. With deep roots in her family's legacy of diamond trading, Janice grew up immersed in the gem industry. Her family's journey began when her grandfather migrated from Europe to Brazil, founding a mining and trading business that became synonymous with expertise and excellence in diamond polishing.

With a degree in Industrial Design and certification as a Master Gemologist from GIA, Janice blends technical mastery with artistic vision. Her designs honor the timeless elegance of Princess Jewelry while introducing a contemporary edge that defines JJ Jewelry.

Through JJ Jewelry, Janice reimagines luxury for today’s confident, authentic women, offering collections that combine tradition, innovation, and individuality.

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From the blog

What Is a Tennis Necklace? Tennis Jewelry, Decoded

What Is a Tennis Necklace? Tennis Jewelry, Decoded

Why is it called a tennis necklace, what makes a riviera different, and how do you actually wear one? The most-loved piece in fine jewelry, decoded.

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How to Build a Charm Necklace: A Guide to the JJ Charm Bar

How to Build a Charm Necklace: A Guide to the JJ Charm Bar

A charm necklace is not bought, it is built. A guide to choosing your chain, picking charms that mean something, and layering them.

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Pearl vs Mother of Pearl: The June Birthstone, Decoded

Pearl vs Mother of Pearl: The June Birthstone, Decoded

They come from the same place and look nothing alike. The June birthstone explained: what pearl and mother of pearl actually are, what they mean, and how to wear both.

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miami showroom

Our showroom is open, and we invite you to experience the beauty of our collections with the personalized assistance of our dedicated client advisors.

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