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    The Diamond Center

    4.4 (71 reviews)
    Closed 10:00 am - 6:00 pm

    Get pricing

    Response time

    2 hours

    Response rate

    100%

    Services - The Diamond Center

    Jewelry cleaning

    Jewelry redesign

    Jewelry repair

    4 More Services

    Jewelry reshaping or resizing

    Jewelry restoration

    Jewelry stone setting

    Watch cleaning

    The Diamond Center Photos

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    Recommended Reviews - The Diamond Center

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    oh la la ;)
    Van D.

    The Diamond Center is located in the heart of Claremont Village at the cross street of Yale and Second. They are family owned and operated by the Lantz family since 1972 and they are known for having the best quality diamonds, including the perfectly cut internationally known Hearts on Fire Diamonds. My friend and I were walking around the Claremont Village when we decided to stumble in. My friend has been with her boo for over 8 years so it is time for some subtle hints!! Or maybe some not so subtle hints. We immediately disclosed that we were just in the area browsing for fun, but Ray was still incredibly friendly and welcoming. He had a warm personality that you can only find at a mom and pop shop jewelry shop. My friend had never gotten her ring finger sized before... UNTIL NOW!! Hint Hint if Andrew is reading this, MT's ring size is a size 4!! Ray welcomed us to the fancy Bridal ring section where we were thoroughly informed about diamonds and the 4 Cs - carrot, cut, color and clarity. The quality of the diamonds here at the Diamond Center are really on point. They are in the 80th percentile plus in quality. The FUN PART was where we sat there for about an hour trying on a bunch of rings. I am always going with my friends on their ring journeys, but this is the most welcomed I felt during the process. The large jewelry stores can be intimidating or unwelcoming based on my previous experiences. My friend and I both felt so comfortable with Ray's guidance and we both found rings we loved!! I didn't mean to... but... yeah... I caught feelings for the bling bling. To all the guys out there, *ahem ahem* specifically Andrew, The Diamond Center has ZERO INTEREST FINANCING FOR 12 MONTHS!! Woo hoo :) You can budget and make appropriate monthly payments, and it'll be paid off in no time. They have great warrantee plans here too where you can come back for resizing, cleaning, other needs, as long as you don't completely lose the whole ring. Ray was so helpful, he even texted us a few pictures of the favored ring selections. We feel comfortable to ask additional questions as they come up. The service here is incredible! I highly recommend The Diamond Center. They will do their best to customize your jewelry to fit your preferences and 'budget.'

    Bezel set Diamond Solitaire necklace in white gold
    K R.

    The Diamond Center is my family jeweler even after moving to the east coast. I called and described what I was looking for, and after a couple of text messages, I was perfectly happy with my purchase. The Diamond Center safely packaged and mailed my purchase.

    Gracie T.

    Ray is amazing!!! My fiancé had been looking at engagement rings since April 2019(?) and quickly found the one he wanted for me. He contacted Ray, since the ring was in stock at the store. They both remained in contact. Fast forward January/February 2020, my fiancé asked Ray if they had the ring in a round halo (originally, he was looking at cushion halos). Ray stated he was able to get it in a decent amount of time. My fiancé made a trip to the Diamond Center, which is located in the heart of downtown Claremont, and worked with Ray in customizing the engagement ring. On May 2020, my fiancé proposed to me! The ring was too big on my finger (size 6.5) so I wanted to get it resized ASAP. Because of COVID, Ray was taking appointments only. We went into the store (this was my first time setting foot into Diamond Center) and the store is just absolutely beautiful! I might be a little biased as the store is royal purple and purple is my favorite color. We explained to Ray that the fit of the ring was too big for me and he had me try on each sizer ranging from size 5-6. I put on size 5.5, which was still a loose, tried on the 5 and it was snug. Ray could tell that I wasn't comfortable with a 5 and he had me try on the 5.25 and without hesitation, he said this is a perfect fit! Enough room for the summer and the winter, it'll spin very little. Normally, I like my rings to fit a little loose since I was afraid I would gain weight in the future. However, Ray reassured me that a 5.25 is just perfect, given my ring is top heavy. I was there contemplating for a while going back from a size 5 to 5.25 and 5.5. Then I just went with my gut and didn't want to question Ray too much as he is an expert on this and has been doing this for so many years. Knowing that Ray didn't hesitate in telling me that a 5.25 is perfect, it provided me with a lot of comfort and ease. Because my ring is unique, he explain exactly what he will have to do with the ring so that we were fully aware. Ray stated that it would take 2 weeks for my ring to be done. Obviously, I was a little sad to part ways with my engagement ring but seriously, this is such a first world problem compared to what's been happening in this world with COVID. However, I got the ring earlier than expected and was so happy! It was such a nice surprise. I went to go pick up the ring and it was the PERFECT FIT!! Enough room for the summer when my fingers swell up! Even though it is cold/warm weather now, I have enough gap space but my ring does not spin. It only does when I run it in extreme icy cold water, but who does that?! I inspected the ring and I couldn't tell it was cut. The gold melted perfectly together (rose gold and white gold), which made me even happier as my ring's band is quite unique. My experience with Ray in the Diamond Center was so calming, respectful, and easy! He took the time to answer all my questions and he let me know that my fiancé really took the time and effort to make my customized ring perfect. Ray and my fiancé worked together very well and we are thankful for Ray's patience and expertise. We'll be stopping by here a little later this year to look at wedding bands. Now, more than ever, it is essential to me that we support small businesses during this time. Once again, thank you for everything!!!!

    Moms hand: left, natural grown diamond, right, Lab Grown Diamond comparison
    Jon D.

    Working on getting a ring made with zero understanding of what to research. Ray and his team helped me pick out the best diamond for my project and all his staff was so accommodating. Easy to communicate with and meet the same energy as I had each visit. Love them

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    22 days ago

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    Ray L.

    Congrats, Audrey! We loved being part of your big day. Cheers!

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    Ray L.

    Thanks for the great review, Cheery! We love being your jeweler.

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    11 years ago

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    8 years ago

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    Thanks fo much Maureen! We’re honored to be your family jeweler.

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    8 years ago

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    Page 1 of 2

    Ask the Community - The Diamond Center

    Hello. I have family jewelry that I would like to appraise. Is that possible ? Thank you.

    Hi. Happy to help with your jewelry appraisal. There are a few types of appraisal based on your goal- insurance, selling the items, just finding out some info. Please reach us at ray@lantzdiamondcenter.com to schedule an appointment as we have… Read more

    Do you buy Diamond earrings?

    Hi Theresa. Yes, bring them in and we’ll evaluate and make an offer. I’m the only buyer so I have to be in- my up coming schedule is - in today and next week in Tues, Thurs, Fri, Sat. Thanks! Ray

    View All 3 Questions

    Review Highlights - The Diamond Center

    Ray and his team helped me pick out the best diamond for my project and all his staff was so accommodating.

    Mentioned in 22 reviews

    Read more highlights

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    4 C's Finecraft Jewelers

    4 C's Finecraft Jewelers

    (26 reviews)

    $$

    I can't say enough wonderful things about this jewelry store! The jeweler is an absolute magician…read more I brought in my wedding ring set, which had been through several poor repairs elsewhere, and he worked pure magic to bring it back to life. The attention to detail, craftsmanship, and care that went into fixing my rings were beyond my expectations -- they look even better than when they were new! It's rare to find someone so talented and trustworthy in this industry. I highly recommend this store to anyone needing jewelry repair, custom work, or something special. They truly care about their customers and the quality of their work shows in every sparkle. If you're looking for a jeweler who can do it all -- and do it right -- this is the place to go! Thank you Nazo! I'm forever grateful!

    4 Cs Finecraft Jewelers does everything right with - cut, color, clarity, and carat. They do an…read moreabsolutely absolutely stunning job. Fine craftsmanship and excellent customer service. When you're going to drop some money on some jewelry that will outlast a lifetime, rest assured that you will find that and more here. When you come in here, you'll feel like family. And you'll want to keep coming in here so they make sure your stones are set and they want to be updated on how you've been! My husband was assisted my Margie who is the sweetest woman ever. Their fine craftsmanship is exhibited through the thoughtfulness and the care that they take with each customer. My husband was so sweet that he wanted me to create a special and unique engagement ring. My husband and the jeweler were so specific in the details -- they took the idea and brought it into full fruition, even talking about making sure that the stones are set well and sturdy since Im a nurse and work with my hands a lot. I really appreciate those fine details because I want to wear my ring and not just hide it or use it for " special occasions". I'm so proud to wear my wedding ring especially since it was so thoughtful and intentional from the start. Location: located in the sweetest part of downtown Claremont, with a small town charm full of elegance. This sweet shop you can find surrounded by cafes and mom and pop stores that have been there for years. Trust me, you'll want to make a brunch/ lunch date out of this visit because it's so cute. This store has new custom made and antique jewelry available. It is so sweet as we usually come on the weekends and the owner and the jewelry designer/ goldsmith? I'm not sure what you call him but you see him hard at work most of the time. It's pretty cool. Theyll have the answers to you questions and can bring your vision to life. You have a budget? They'll work with you. Also, they love taking care of their product so I come in for a free ring cleaning ( my husband had his custom designed, too! ) to make sure that your ring is always looking brand new and in pristine condition. Thank you for making these special rings for us! We love them and love you guys!

    The Grove

    The Grove

    (106 reviews)

    $$

    As a Dodger girly, this spot has been on my feed so much recently! Came in and I was not…read moredisappointed! Along with all the baseball stuff, they had plenty of other things to choose from. I only grabbed a hat this time around but def coming back. Staff were super friendly too!

    I was sincerely so excited to visit The Grove for a shopping haul and to explore their merchandise…read moreas seen on TikTok. Unfortunately, my experience this morning was far from what I had hoped for. As I was shopping, two employees hovered closely and circled around me multiple times, fixating on my hands and arms without offering any assistance or even a shopping basket despite a few items in my hands that I was fully intending to purchase. I had my personal bag over my arm and was taking photos to share with my mom, who was also interested in purchasing items as well. Being scrutinized like this felt invasive and unsettling, especially when other shoppers in the store seemed to shop freely with their personal bags, totes, and strollers. When I questioned if there was an issue after circling around me not once, but 4 times, the 2 female employees acted confused, but their behavior was unmistakably targeted. Seeing that similar reviews from a year ago highlight the same issue, it is clear nothing has changed. This pattern of behavior feels like an enabling of racial profiling, which is deeply disappointing, particularly when the store is aiming to celebrate and promote culture through their World Cup merchandise and LA Dodger gear. As a Latina, I had simply hoped for a welcoming and appreciative shopping experience but left feeling upset and excluded. I hope this review encourages The Grove to reflect on their staff training and work towards creating a more inclusive environment for all customers. Sharing this experience with the POC communities and on social media could help advocate for the necessary change.

    The Diamond Center - jewelry - Updated June 2026

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