The Diamond Center

The Diamond Center Family owned and operated in the heart of the Claremont Village, The Diamond Center is your source to find the perfect gift to celebrate every milestone.

Since 1972, Robbin and Debbie Lantz have made it their mission to match each customer with their perfect jewel. With the help of their son Ray Lantz, The Diamond Center continues to provide excellent products and superior customer service to Claremont and the greater Los Angeles area. From exquisite custom designs, to the world’s most elite designer collections, The Diamond Center has it all! We a

re proud to feature Hearts on Fire, Alex Sepkus, Vahan, Sethi Couture, Jye's, and Cheri Dori, and many more. In addition, we offer expert jewelry/watch repair, cleaning, appraisals, engraving, and jewelry buys. We are excited to become your family jeweler and help you celebrate life’s special moments. We know that choosing the perfect gift can add a spark to your occasion. Spark Love. Spark Joy. Spark Celebration. What will The Diamond Center spark in you?

09/04/2026

Did you know we started as a shop? We take great care and pride in making sure that every piece of jewelry that comes into our shop goes home exactly as the client envisioned it.

If you have jewelry in need of repair, resizing, or refurbishing, come see us in the !

08/31/2026

🗓 SAVE THE DATES! ✅️

We'll be hosting our annual buying event with National Rarities in the store September 8-10 during our normal business hours. It's a great opportunity to turn the valuables you're ready to part with into cash you can use immediately!

08/26/2026

🌈 🌟 THE MORE YOU KNOW!

It's easier than ever to attain the piece you're dreaming of with our easy, no hassle trade ins! We're always buying, and ready to help you trade unworn items into something new you’ll love and wear often 🤩

08/21/2026

We asked the team to pick their favorite piece in the store, here’s what they said!💎✨

08/21/2026

Lily's current obsession are the newest succulent solitaires from Omi Privé 😍

Known for curating the most exquisite colored gemstones and employing expert American craftsmanship to accentuate their natural beauty, we're proud to carry this local and award-winning designer in our store.

Stop in and spark joy with us! We can't wait to help you find your own current obsession!

BACK TO REALITYVacations are wrapped, the kids are in school and you’re back to reality after a whirlwind summer. Keep t...
08/20/2026

BACK TO REALITY

Vacations are wrapped, the kids are in school and you’re back to reality after a whirlwind summer. Keep the vibes radiant with everyday sparkle while you tackle that to-do list.

Take a break from the grind with some August favorites that help us power through our day ✨️

There’s power in adornment. Jewelry showcases your style and uniqueness without ever saying a word. Elevate the everyday with a statement ring that represents your own radiance.

This captivating Ceylon Sapphire from Omi Privé is begging for a new finger to bling out on!

Touting a little twinkle always helps us stay on task. 😉 Illuminate everything from your attitude to your attire with the brilliance only Hearts On Fire can deliver.

We have the most salivating selection of sparkly in the store right now, ready to give you effortless drip on any ordinary day.

Looking to simplify your morning routine? 🌄

Diamond studs are the go-to for every person on the go. Always in style and always the perfect accent, look great on everyone, everywhere. From the gym to the office to meetups or meal times, your style will never disappoint with a pair of classic studs.

Sneak peek of our newest from the back shop! 🔎

Whether it's a classic style or custom design, we absolutely adore creating everlasting icons of love for our clients. Our elite, ethical and expertly cut diamonds maximize sparkle for a mesmerizing wow factor! 🤩

Somehow, a necklace always pulls the look together - just like lipstick, a single swipe of jewels on the neckline can give that extra boost of radiance to tackle the day with resilience. 💪

New to the case, this marquise sapphire and diamond pendant is the perfect touch of shimmer to beat the midday blues.

Our estate case is always rotating with fabulous throwback accessories that allow you to get playful, colorful, and masterful in your styling.

With thick gold chevrons hugging multi-colored gemstones, this versatile bracelet can help you break the mold with a touch of bold.

Set your own pace with a signature timepiece from Shinola. ⌚️

Built to last and named accordingly, the Runwell embodies elegan

08/15/2026

12 carats of pure brilliance. 💎✨ This Hearts On Fire tennis bracelet delivers unmatched sparkle from every angle. Because some pieces don’t just shine they steal the spotlight. ❤️‍🔥

Available at The Diamond Center.

08/15/2026

Proud to be part of IJO 💎 Being an Independent Jewelers Organization member means access to trusted vendors, exclusive jewelry, and industry expertise; all so we can bring our customers the very best at The Diamond Center. ✨

08/13/2026

Unboxing a little something that speaks for itself 💎 ✨️

The Hearts On Fire classic eternity has arrived at The Diamond Center, and the sparkle is unreal!

Shopping for an engagement ring? The setting style changes everything about how a stone looks and wears day-to-day.💍 Sol...
08/12/2026

Shopping for an engagement ring? The setting style changes everything about how a stone looks and wears day-to-day.

💍 Solitaire: clean, timeless, lets the stone do all the talking.
💫Halo: surrounds the center stone with smaller diamonds to maximize the appearance of size and sparkle.
💎💎💎 Pavé band: adds brilliance along the sides for a more detailed, ornate look.

Our engagement appointments are designed to help you learn, fall in love with a style, and make the whole process feel less overwhelming! Forever starts with your family jeweler in the heart of the Claremont Village😉

Address

147 Yale Avenue
Claremont, CA
91711

Opening Hours

Tuesday 10am - 6pm
Wednesday 10am - 4pm
Thursday 10am - 6pm
Friday 11am - 6pm
Saturday 10am - 4pm

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