1. Diamond Nails

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Castro Valley, CA

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Diamond Nails

3.5 (287 reviews)
Open • 9:30 am - 7:00 pm

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Services - Diamond Nails

Manicure

Manicure and pedicure

Nail fill-in

Diamond Nails Photos

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Recommended Reviews - Diamond Nails

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Reviews With Photos

Acrylic fill by Kelly - always on point!
Nicole F.

I am SO happy that Kelly was able to take over this shop in Castro Valley! She has always been the best nail tech I've had, and she is also amazing at waxing eyebrows. Not to mention, she is the sweetest business owner you could ever meet. If you don't like something, she will help you until you are happy with the result. She goes out of her way to make you feel welcome every time. The rest of the team is very kind and professional, and the atmosphere just feels comfortable from the moment you walk in. The quality of work is great, and the services are reasonably priced. It's become my go-to nail place. Thank you for all that you do Kelly

Bebe D.

Ready to celebrate America 250! Kelly is amazing! She makes me look like a millionaire!

Acrylic beachy nails
Melany M.

Amazing nails!! I loved my nails so so much thank you! Definitely will be coming back for a new set. ladies were wonderful and friendly!

I have been coming here for years. These ladies are fantastic. I got a 4th of July nail design. The lady hand painted it. Its absolutely gorgeous!!

Kelly!!!!!! You ready for an amazing job. Go to Kelly. Kelly has done my nails for over a decade. I couldn't be more excited. I lucked up and got an appt last minute once I found her. Service is amazing. Hospitality is making a come back. Being pampered is part of the experience. It's our self care. Take good care of yourself and go see Kelly!

Jenna L.

I really love this nail salon. All of the ladies are super friendly and they always get me in and out quickly. I would say it's probably my favorite nail salon in the East Bay area. Julia has done my nails the last few times and she always does a thorough and great job. They have a huge variety of colors to choose from. It's also always a relaxing and decompressing environment. The prices are also very fair. I've been to other salons in the area where they definitely up charge for every little thing. The only downside of this place is sometimes it's hard to find parking. But I always go very early in the morning so I never have an issue. I will definitely be coming back here!!! Julia is my go to girl and she's super friendly and great!

Cat eye nails!

Just had my nails done with Kelly at Diamond nails. She did a fantastic job with cat eye nails. I'm so pleased I found her.

Enjoying the massage chair before and after my manicure and pedicure
Melissa L.

I've come to Diamond Nails since I moved to California in 2010. These ladies are the absolute best. Relaxing massage with pedicure and Lisa serves flawless nails every time. Beautiful atmosphere and chill place to be 7 days a week.

Thank you Kelly!

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1 year ago

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8 months ago

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1 year ago

Accommodating . I was in a hurry and they did a great job under pressures! So happy it worked for me!

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11 months ago

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Thank you JoAnn. Service @ Diamond nails was great. The place was really clean and everyone was really nice. I'll be returning.

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Yen D.

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Ask the Community - Diamond Nails

Hi, I've been looking for Kelly (who used to work at Mimi's), does she now own Diamond Nails?

I'm not sure if Kelly worked at Mimi's, but she used to own The Nail Salon and now owns Diamond Nails.

Don’t See Your Question? Ask Away!

Review Highlights - Diamond Nails

“Linda (the owner) is always very accommodating and Lisa and the other technicians are very nice.”

Mentioned in 35 reviews

Read more highlights

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Anna Nails

4.3(332 reviews)
0.9 mi
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Ree/Ri (I apologize for not asking how to spell it) gave me one of the most thoroughly manicures…read moreI've had in a really long time. I called in maybe an hour beforehand to see if they could see me for a gel-X soak off and a gel manicure and was super lucky they had time. I went to the awful nail salon across town (see other review) for a removal previously and they ruined the integrity of my nails. Ree took her time to actually soak my fake nails off and when that was all gone, she took care of my real nails and cuticles. I only get manicures before special occasions but they'll all be with Ree from this point on. This is a family run business. Ree shared they've been there for 30+ years. I believe Anna is her mom? Anna was there too. All the other clients there were regulars. I can see why! Only small downside is they don't have a parking lot and Castro Valley Blvd can be busy but not impossible to find a spot close by. They accept cards with a 2% service charge but do have Zelle to avoid fees or good ol cash.

I've been going to Ri for about 3 years now and she always does an amazing job. She's also super…read moresweet and always makes me feel comfortable. She takes her time and makes sure I'm completely happy with my nails before I leave. I always get Gel-X sets, and they consistently last me over a month while still looking amazing. She's super talented, detailed, and you can tell she genuinely cares about the quality of her work. I always leave loving my nails and would 100% recommend her!

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NailBox Studios - Inside lighting

NailBox Studios

4.3(339 reviews)
0.7 mi
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Samantha is the best!!! She did my builder gel manicure with French tips and was impeccable!…read moreShe also helped me with my feet which were in quite bad shape and they turned out perfect!! The cutest spot and it was so cozy!!! They have

I've been to see Sam at Nailbox twice now and I'm so happy I found her. I get the builder gel…read moremanicure and pedi, and they last. Like, really last. I moved to Hayward recently and had been bouncing around trying to find a new nail spot--came across Sam's page because I was curious about Russian manicures and she does them beautifully. Just a heads up on the booking process: the site directs you to request an appointment, but it's not auto-confirmed--Sam has to accept it manually. For my first appointment, I booked for the next day and wasn't sure if it was going through, so now I just DM her directly to check in. Super easy once you know the flow. Sam herself is super sweet and easy to talk to. She recently went solo with her business, so it's just her now--and honestly, I love that. It's chill, one-on-one, and you can tell she really cares about quality. She has a gorgeous selection of colors and uses high-end products, which I think is why everything lasts so long. The first time I went, my nails were in sad shape and I honestly didn't think they'd bounce back. A month later? I've got legit nails I'm proud to show off. If you're looking for a new nail tech who's talented, kind, and really knows her stuff, definitely give Sam a try. I've already planned my next visit.

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Fairy Nails Lounge

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4.3(294 reviews)
3.8 mi
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For the first time had a good experience. Got gel X let's see how long they last. Good serviceread more

I hate writing bad reviews but this place is really charging more than what they are worth. I've…read morebeen so busy I couldn't get to my regular salon. 1st I thought "ok a spot I can go to down the street from home." I had to wait a bit even though I made appointment and they weren't really busy. Service for my acrylic fill was fast. I did like how gentle she was but she had to finish my fill and then go to another person. They then had someone else put the polish on my nails which is fine but I would have rather had same one. Within 3 days 3 nails broken. I felt price was high and thought it's ridicules they charge extra cateye when it's still painting a regular color on and just using the magnet?. I got charged for med length nails but feel my nails should be considered short $57 $15 for cat eye polish ??? I could of gone out and got a deli sandwich sorry that's a meal right there $2 charge for using a CC which I know ok it's 2 dollars (I don't agree with especially being a business owner myself you need to just eat that cost/write off those CC fees yourself for all of your transactions you do a day. Also it's not like I was trying to pay my $5 tab I paid $79 on my card. I got no special design or any rhinestone I didn't get a copy of my receipt but I swear they must of charge a service fee for tip or tax. Now I got to spend more money on another place to fix because you know I'm not going come back for a $10 per nail fix because you know they wont fix for free having it be only 3 days. Also in the front they have a sign that says no refunds so they must rip off a lot of ppl by charging all the upcharges without informing customers of price.

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Fairy Nails Lounge
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Diamond Nails - othersalons - Updated October 2026

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