Four Diamonds

Asian restaurant · Pioneer Square

Four Diamonds

Asian restaurant · Pioneer Square

1

164 S Washington St, Seattle, WA 98104

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Highlights

Vietnamese restaurant with amazing pho, crispy wings, truffle fries  

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164 S Washington St, Seattle, WA 98104 Get directions

seattle-4diamonds.com
@seattle4diamonds

$20–30 · Menu

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164 S Washington St, Seattle, WA 98104 Get directions

+1 206 656 8164
seattle-4diamonds.com
@seattle4diamonds

$20–30 · Menu

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Last updated

Aug 19, 2025

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@infatuation

Four Diamonds - Review - Pioneer Square - Seattle - The Infatuation

"A new Vietnamese restaurant in Pioneer Square opened with dishes like truffle fries, mozzarella and potato corn dogs, and phở. There are also matcha Oreo slush and strawberry kumquat lemongrass drinks, with various toppings that include torched crème brûlée cream and crystal boba. We haven’t been here yet, but want you to know this spot exists." - Kayla Sager-Riley

https://www.theinfatuation.com/seattle/reviews/four-diamonds
View Postcard for Four Diamonds

Tru Justice

Google
Traveled from Rhode Island to have a vacation here in Seattle. My partner, her daughter and I found 4 Diamonds and they over delivered 😁. From the big smile we were greeted with to the delicious food service. I rate this is place 10/10 for real. The vibes are great with the music and everything came out in a timely matter. Even got free ice cream b/c we said we would leave a review. Grateful 😁

Lucas Raganhan

Google
I was walking around the neighborhood when I stumbled upon this gem, and what a lovely surprise! From the warm smile at the entrance to the kind and thoughtful conversation during the service, everything was done with such care and love. You can feel it in the details, in the way they treat you, and of course, in the delicious food. It was truly an incredible experience, and when I come back to Seattle, I’ll definitely be returning. 😍 Thank you.

Quan Nguyen

Google
My new favorite Vietnamese restaurant in Seattle, definitely better than many overhype places. The foods were amazing, I'm extremely picky about Vietnamese food, especially pho. This place totally exceeded expectations. The drinks are also exceptional. Service is also top tier, very friendly and helpful staff. The reason is clean, spacious and modern. Definitely making this my regular place.

Kenny Nguyen

Google
The food here is delicious, portions were larger compared to other Vietnamese restaurants. My absolute favorites were the house wings - they were incredibly crispy and the sauce was on point - and I can’t forget about truffle fries whatever sauce came with it were absolutely magical.

Absidy Nguyen

Google
Accidentally found this place while in the area and found out it was their soft opening today! I ordered the salt and pepper chicken wings which was so good and flavorful and totally authentic. The coffee oreo blend was super strong on the coffee flavor and the tapioca was the perfect consistency. The staff were also very nice !

Vivian Le

Google
Came to their soft opening and everything was chefs kiss! Had their Vietnamese rice dish, Garlic Truffle Fries, Chicken wings, and Chicken Vermicelli bowl. Drinks were also super good. I definitely recommend checking them out 😋

Amina Braz

Google
Visiting from Rhode Island, where we have plenty of authentic Asian cuisine, including Vietnamese food. This place is legit. From the tunes spinning old school to the quick and amazing service, this place did not disappoint. I got the lemon grass tofu vermicelli noodle bowl, 2 x spicy. 10/10.

Raiko Zhu

Google
Came here with a couple of friends for lunch and I ordered the Special Pho Bowl. The Pho broth is amazing and the portion size is generous. The drinks were amazing and would definitely come back to try other items on the menu.
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Quan N.

Yelp
My favorite Vietnamese restaurant in Seattle, definitely better than many overhype places. The foods were amazing, I'm extremely picky about Vietnamese food, especially pho. This place totally exceeded expectations. The drinks are also exceptional. Service is also top tier, very friendly and helpful staff. The reason is clean, spacious and modern. Definitely making this my regular place.
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Carol C.

Yelp
After getting ice cream at Pastry Project and a pizza slice at DeLeo Bros Pizza nearby, we stopped at Four Diamonds for our main entree. We saw a new place in Pioneer Square and wanted to give it a try. I had the small special pho with three meats - steak, brisket & meatballs. Hubby had the grilled pork vermicelli bowl. We enjoyed our food and everything was made fresh, but thought our meals were a little on the spendy side. They have been open for 4 months. Service was welcoming and prompt.
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Jim M.

Yelp
My Vietnamese bun was very flavorful. We went to lunch on a break with a friend serving as a juror in the nearby courthouse. Table service was excellent and everything was prepared fresh after ordering. Restaurant formerly located East side, but relocated to the Pioneer Square area. Wish the neighborhood was nicer but the food and service are excellent. They also have bubble tea and carryout coffee and tea.
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Nicole H.

Yelp
Solid choice for pho. I got chicken, which comes in chicken broth. If I had it to do again, I would get the beef broth, but it was good. Service was good and quick.
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Jordan O.

Yelp
3.4/5 Actually was headed to Saigon drip for a bahnmi when I saw four diamonds across the street. I had seen them on Instagram so was excited to try them instead. Ambiance - a very large space. When you walk in it's a large room with another room with seating to your left, and ordering area to your right. Service - was greeted right away and the woman was very friendly and walked me through their specialty items. Food - I ordered their 2 specialties. The house wings and their pork belly banhmi. The flavor was on point. You can tell they stewed their pork belly, it had a thit kho flavor to it. The only issue was mine was comprised of primarily fat, so when I was eating it, it was very mushy. But when I got to the other end, that's where most of the meat was and it was good. Think I just got a bad one. The fish sauce wings also weren't bad, and the texture was on point. Stayed crispy even sitting in the box on the long drive home. Only issue was it was $20 for 7 wings! When I ordered them I thought they came with 12 (doesn't list quantity) so won't be ordering them again. Still want to come back to try other banhmis.
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Erin W.

Yelp
We came here around 3 PM on a Sunday. The restaurant was spacious and clean, with a relaxed vibe. Our server was very friendly and helpful, offering recommendations for signature dishes and to-go drinks. I was impressed by the variety of dishes available. I ordered the Thai Tea Tornado and the Pork Belly & Egg Rice -- both were absolutely delicious and satisfying. They confirmed they are still in the process of getting the liquor license, so no alcohol yet. Nearby street parking was free on Sundays!
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Shannon K.

Yelp
Came here for an early dinner and had no problem getting a table. Got the special rice plate, thai crispy chicken rice plate, lemongrass tofu rice plate, fries, tastea drink, oreo cake milk tea, and the tropical sunset drink. Everything was super good! Typically with viet places I feel like their pickled veggies or fish sauce aren't up to par with what I'm used to getting at home. But it was great here! The broken rice plates were all good, I'm partial to the classic special. But would also recommend the thai crispy chicken, even after packing the rest it was still crispy. The tofu had great flavor as well. The soup it comes with is yummy, but more of a gentle flavor. Fries had a good flavor as well, when asked they said they use truffle oil. The tropical sunset was refreshing, not sweet, but more tart/sour. I really liked it along with their tastea drink. Those two were light and refreshing. The oreo cake milk tea was more on the sweeter side, but my partner loved it. Overall great new restaurant with friendly service! Definitely going to come back and try more of their items. I loved the space as well, close to everything making it easy to pop in.
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Lynn L.

Yelp
Four Diamonds has delicious Vietnamese food that is made traditionally with many fresh ingredients! My boyfriend and I got the pho, rice and vermicelli bowl which were made extremely well in a classic style. Everything was well seasoned and the portions were reasonable! Their drinks were also a fun and refreshing pairing with our savory meals. My favorite were probably the lighter and fruitier drinks which were so refreshing! All in all the hostess was friendly and efficient and I had a great time at this wonderful Vietnamese restaurant!
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Karen T.

Yelp
So excited for this new spot in town! They opened this week. The server is nice and offered 20%off for their grand opening. They have ample seating and a great selection of tea and food--pho, bahmi, and rice plates. I ordered their Thai tornado blended milk tea drink and the special viet rice plates that consist of a pork chop, egg, over rice. Will be back to try other things on their menu!
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Aaron C.

Yelp
I liked th we place it had a great atmosphere and service was friendly. The good was really good! Especially the tofu vermicelli bowl and I had the special pho which is very good.
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Shootingstars D.

Yelp
Amazing authentic vietnamese food if you're looking for authenticity. There pho is really good too, but forgot.to take photos. This place is so good. Highly recommended
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Mark H.

Yelp
Got a take out lunch and the food was very tasty and fresh. Looking forward to going back soon to try other items. Nice people provided service and overall a great experience. Solid addition to P square. Give them a try

Flying O.

Yelp
Side stepped to Four Diamonds after passing by Saigon Drip and let me tell you, best decision I made all day. The employees were so kind and helpful in my ordering, the cashier even customized my drink for me- a Vietnamese coffee with a brûlée foam topper. Yum! The Banh mi was so fresh and delicious! Very generous portions of both protein and veggies, I actually struggled to finish I was so full. Highly recommend coming here for truly authentic Vietnamese food.
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Chris S.

Yelp
Went here for a dinner because of the convenient location near the stadium. I have to say this is the best Vietnamese food I've had in Seattle! All the appetizers we got were prepared in-house and it shows in the flavors, must try the Potstickers, Egg rolls and the Corn Dog. For entree's we got the Pork Belly and the Thai Crispy Chicken they both were absolutely delicious. I highly recommend This place for anyone who loves good authentic Vietnamese food.

Kristina L.

Yelp
Amazing customer service, staffs is incredibly helpful and nice, the ambiance was super clean and very cozy, food was AMAZING even the boba was delicious. Come and check it out!

Saul M.

Yelp
holy moly, I got the crème brûlée milk tea and it was 100% the best bubble I've ever graced and it's not even close. Plus the nicest women was working at the cash register who gave great advice on what we should do for the rest of our day downtown.

Diane R.

Yelp
Four Diamonds (164 S. Washington St., Seattle) may be the best Vietnamese food in town! Was definitely closer to what we enjoyed on our 2023 Vietnam tour. Paul had a banh mi and I had the chicken dish. My portion was so large, I had to take half home for later. The soup was especially tasty and the carrot salad was crunchy, the way I like it. Even the coconut drink was enormous and delish. Had to take half of that home too. And the music was low enough, you could actually have a conversation. How novel!!! Will definitely return for more, including takeout. Great food, service and prices. Hostess Emmy was a treat too. Don't miss it. If it's not a 10, it's close!!! Diane in Seattle