The Diamond Center

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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 are 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?

10/08/2026

Your timepiece ⌚️tells a story . . . And we love carrying an eclectic selection of watches that help you do so. Stop in to see our constantly rotating collection of interesting .

10/07/2026

Our next gold buying day is coming up on Tuesday, October 13th!

Spend this week and weekend cleaning out your jewelry collection, then schedule an appointment for Treasure Tuesday using the link in our bio.

Let's get you some cash, or start reimagining your jewels into something new and fresh!

09/30/2026
09/24/2026

The aptly named Temptation from is causing quite the distraction in the store.

That means one of y'all needs to take this dazzling diversion home so we can get back to work 😉

We love bringing the showstoppers to so you can for big sparkle! 🤩

09/24/2026

It's sapphire season!

Why do we swoon for September's birthstone??
✔️ It exists in a radiant array of colors
✔️ It ranks 9 on the Mohs scale for everyday durability

An ideal stone for self-expression, is an elite addition to any collection that craves more versatility.

Come see why they're so fun to style — we'll help find the shade that makes your sparkle! ✨️

Step into fall with this exquisite cognac and white ! are having their moment, with sandscape hues that exude a dream...
09/22/2026

Step into fall with this exquisite cognac and white !

are having their moment, with sandscape hues that exude a dreamy warmth and sparkle we love on the neckline.

This September favorite was made right here in the shop, and is ready to compliment your complexion and fall wardrobe!

Make this golden moment yours!

09/21/2026

🌅 GOLDEN HOUR GLAMOUR ✨️

As we savor the last day of summer, our September Favorites embrace the warm, rich palette amd soft sparkle we love all year long.

It's a great time to shop with us now that your summer rush is slowing and the holiday season is upon us!

Let's find your next golden moment together!

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09/19/2026

Unbox with us! 🔪 📦

Handmade in Oregon, William Henry transforms everyday tools and accessories into functional art and rare heirlooms. Their signature blend of story-rich materials and uncompromising craftsmanship is why we proudly carry this award-winning American design studio.

Stop in to get your paws on our latest haul!

09/17/2026

We're celebrating 30 years of unmatched brilliance with by featuring their special edition DREAM heart pendant in the store!

Signature cut diamonds set in graduating gold elements create striking dimensions and playful sparkle. Commemorate your own milestone with this celebration of sparkle!

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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