1. The Diamond Center

    1. The Diamond Center

    0

    Claremont, CA

    The Diamond Center

    4.4 (71 reviews)
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    Response time

    2 hours

    Response rate

    100%

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

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

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    11 years ago

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

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    9 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… 

    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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    The Diamond Center - jewelry - Updated July 2026

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