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    UBS Diamonds

    5.0 (42 reviews)
    Closed 11:00 am - 5:00 pm
    Updated 2 weeks ago

    Services - UBS Diamonds

    Jewelry repair

    UBS Diamonds Photos

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    Reviews With Photos

    Vanessa G.

    Kurt is my SAVIOR. Came here to get a simple engagement ring with my husband, I wanted something small but pretty. We bought a beautiful rose gold, pear shape morganite ring with his tungsten wedding band for $500 total. I get so many compliments on my ring. Six months later, my ring has an accident down the disposal - RUINED. I thought it would be unfixable. Because Fullerton is far from me, I got a quote at my local mall that said my ring would not be worth fixing and to just buy another one. I cried of course, but figured we'd try with Kurt or look for another. Kurt looked at my ring and said he could fix it. $90 and it looks NEW! My husband and I are in shock but ultimately just grateful he saved my ring. Best Jeweler hands down. Thank you Kurt!!!!!

    Candee E.

    BEST JEWELER around! We can't say enough great things about Kurt. He is very honest with a ton of integrity. I have been coming to him for years, purchased our engagement ring with him at a fraction of the price of retail stores and better quality! We refer as many people as we can to him, great guy, great prices and HONEST! He is the first booth to the far left when you walk in.

    Jenna G.

    I found Kurt on Etsy and immediately fell in love with his work. Especially the morganites. I visited Kurt's shop with my fiancée and we were able to have a morganite engagement ring made custom just for me. Affordable, in our budget and exactly what I was hoping for. Thanks Kurt! You're one of a kind!

    LeVar H.

    Kurt is the man! Our relationship started when he assisted in hand crafting the perfect engagement ring for my then fiancée & now I go to him for every jewelry need. His pricing is always fair & affordable & he provides appraisals for each of his diamonds. He is so amazing that I have referred over 5 of my friends who have gotten married in the past 3 years & they each agreed that he was the best after getting multiple estimates elsewhere. Lastly he provides jewelry cleanings for life after purchase. Truly a 5 star experience

    Julie L.

    If you are looking for an engagement ring, here is the perfect place. I absolutely fell in love with my engagement at first sight. I have shopped around for a few places and I was very impressed with Kurt's professionalism, knowledge, and world class customer service. I was able to shop with no pressures of buying a ring. Kurt was very friendly and gave very good advice. I felt very comfortable with him and trust his recommendations. He made me feel confident of my choices and I am so happy with my purchase. He is also a certified gemologist and does designs his own jewelry. I don't meet too many ppl that are as qualified as Kurt!

    First I found Kurt's store on Etsy and realized his store was not greasy far from where I live so I decided to pay him a visit. Ever since my first visit I've done a few of customized pieces with Kurt and genuinely love all of them! This opal ring is by far my absolute fav. Haven't taken it off since the day I got it. Kurt is very responsive and super fair with the prices

    Floating Diamond rind setting.
    Nichole R.

    Kurt is the absolute best! I can honestly say he will be my official Jeweler for life. So let's rewind to 5 years ago when I upgraded my wedding band set. So first off, I wanted a floating setting and no one offered the style, it's a "liability", according to other jewelers. I understand the maintenance of this setting, have had loose diamonds before, have had them fall out and have even lost one. It's the price you pay for the look. But doesn't mean it shouldn't be offered, it's my favorite look. I hate when diamonds are set in too much metal on wedding rings , makes them look clunky. Any who, After searching for what felt like for ever, Kurt had my band and has been maintaining it ever since! He's been so nice about it and doesn't mind my frequent drop in's just to get my prongs checked. He actually suggest that I do it .... Since my initial purchase with him, the setting and wedding band, which he gave me at an outstanding price, I have purchased from a few times after that. Last actually today with a Belize pendant I have been eyeing for a while now. He just has the best prices around and the quality of the diamonds are outstanding. I have never seen one with even a slightly yellow tint before. I just wanted to write him a review as I have been so happy with his service and products over the years. Thanks Kurt , will impulse buy with you again on a random ring check.

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    2 months ago

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    3 months ago

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    5 months ago

    Excellent jewelery and very helpful with re-designing some of my pieces. Reasonable pricing for the quality!

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    1 year ago

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    3 years ago

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    2 years ago

    I've been going to this jewelry store for over 25 years..very honest and top quality. Prices are good and fair.

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    7 years ago

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    16 years ago

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    14 years ago

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    12 years ago

    Business owner information

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    Kurt U.

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    Thanks Kat! Please come and get your jewels clean and checked soon.

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    10 years ago

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    8 years ago

    The best jeweller at the Fullerton Jewelry Mart. Wonderful selection, very helpful. We have been going here for 20 years.

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    15 years ago

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    Page 1 of 2

    Ask the Community - UBS Diamonds

    I have gold that I would ideally like to be made into a completely different ring along with a small diamond which I already have as well. I was just wondering if you could give me a quote for making a completely custom ring if I have materials?

    Hello Tyler, Thank you for your interest in customizing a ring with us. The prices are based upon… Read more

    Don’t See Your Question? Ask Away!

    Review Highlights - UBS Diamonds

    I will be going to Kurt for everything I need from now on and have already referred two of my friends to him!!

    Mentioned in 36 reviews

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    Happy Jewelers

    Happy Jewelers

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    I recently purchased a tennis bracelet and a rope chain at happy jewelers and I had one of the best…read morecustomer service experiences I've had. From the moment I walked in I was assigned to Miguel. He is extremely knowledgeable patient and friendly. He showed me multiple examples and ultimately we narrowed it down to the perfect bracelet for my wife and rope chain for myself. I have been a big fan of Gabe and Danny for some time I've watched their videos on YouTube and I would highly recommend them! They treat you like family and are very kind. Whenever you go to happy jewelers definitely ask for Miguel he'll make sure you get the best customer service experience. I will continue to go back. Thank you Miguel.

    Updating my review because the company made a genuine effort to make things right…read more After my original experience, the owners and COO personally reached out to better understand what went wrong. They listened carefully, took accountability, and went above and beyond to resolve the issue. I really appreciate the level of care, communication, and professionalism they showed throughout the process. While my initial experience was frustrating, their response demonstrated that they truly value their customers and are committed to improving. I also appreciate the rep that we worked with for treating us kindly & warmly even after we had shared our concerns. Thank you to the team for taking the time to address my concerns and for working hard to turn the situation around. Also, absolutely in love with the customized setting that the production team was able to produce.

    Jeweler's Touch - Our store is now in Brea!

    Jeweler's Touch

    (443 reviews)

    $$

    I reached out on Yelp asking multiple jewelers about medium thick chains for memorial necklaces…read moresince we want something durable. Guy from Jeweler's Touch stood out in his quick responses and helpfulness. When we arrived that evening to speak to someone, Brandon was amazing. He was friendly, super patient, and explained everything. He understood how difficult it was to look for rose gold chains, especially when thicker too. I was super indecisive and he gave me all the time in the world to look through their gold book which had all kinds of designs and thickness scaled to life size so I could place my pendant on it to imagine how it would look. He also brought out samples of chain types as I picked out ones to see if I'd like the look in person. He ended up finding an estate gold chain that looked absolutely perfect for my husband's pendant in shine and style. We tried it for a few days (they give you 30 days hassle-free) and my husband knew it wasn't the right length of style for his personal preference and our tuggy toddlers within one day. It was gorgeous and I wished it worked out, but maybe not for us. We came back a few days later after Christmas Eve and Brandon helped me out again with the return and gave me suggestions for the length of my husband's necklace based on preference. I saw people coming in and out during the two times I went and I see why. These people are amazing, patient, knowledgeable, super friendly and not pushy at all. They want to help make happy customers who are looking for that perfect jewelry. Although we are still on the search for the "perfect" chain for each of us (we are not major jewelry people but need this to be just right for us in every way), I appreciate the help that Jeweler's Touch gave and would recommend them for anyone looking for a custom piece or specific jewelry services.

    I brought my engagement ring in to get fixed and they were great! Monique was so helpful and the…read moreturn around time was so fast! I picked up my ring and it was perfect and SO SHINY!!!! thank you guys!

    Robbins Brothers Fine Jewelers - Coast Diamond & Robbins Brothers Signature - Skus: 0431628, 0431127

    Robbins Brothers Fine Jewelers

    (564 reviews)

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    I had an amazing experience at Robbins Brothers, and it's all thanks to Christian! From the moment…read moreI walked in, he made the whole process feel easy and fun. He's witty, honest, and genuinely one of the best people you'll work with in any retail experience. I wasn't expecting to find my upgrade so quickly, but within the first hour I had found exactly what I was looking for. Christian never made me feel pressured -- just guided me toward the perfect choice. Highly recommend asking for him by name! Remember to ask for CHRISTIAN and he will roll out the red carpet for you too!!

    I had a great experience at Robbins Brothers today, specifically thanks to Eric…read more As someone who deeply appreciates horological pieces and the craftsmanship behind a fine movement, it was a breath of fresh air to "talk shop" with someone who actually understands the nuances of quality. Eric is incredibly knowledgeable and made the entire process feel like a partnership rather than a transaction. While Mary does a fantastic job taking care of my wife Priscilla's jewelry needs, I'm glad to say I've officially found "my guy" for my side of things. What I appreciated most was Eric's willingness to help me look toward the future. My daughters are still in their teens, but I've started investing now in high-quality rings and men's bracelets for my future sons-in-law and daughter-in-law. I want to ensure these legacy pieces are secured for their major lifetime events, and I trust Eric's eye to help me find the right items as they come across his desk. If you want someone who respects your time and shares a genuine passion for fine pieces, ask for Eric.

    UBS Diamonds - jewelry - Updated May 2026

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