He is an Orange County native (Seal Beach) and graduated from UCLA, where he studied biology and psychology. He later earned his Doctorate in dental science (D.D.S.) and a Bachelors in dental science (B.D.S.) from U.C.S.F. School of Dentistry.
Dr. Diamond has over 26 years of dental experience, with an emphasis in treating both young children and adults. Being a general dentist allows him the opportunity of caring for all ages in a truly family practice.
Los Alamitos has been his home for the past 21 years. His practice emphasizes a cosmetic, caring treatment for children and adults. He is a member of the Amercian Dental Association (A.D.A) and the California Dental Association (C.D.A). Dr. Diamond loves to attend many continuing education courses every year to further his passion and expertise. Dr. Diamond believes quality of care is the primary concern when treating his many patients from 1 year old to 101 years old. As one of the most trusted and experienced dentists Los Alamitos, his goal is to make every patient and parent comfortable in their new dental home. In his spare time, he enjoys playing tennis, skiing, traveling, and spending precious time with his wife Michelle and two children, Ally and Blake.
A UCLA graduate in Biochemistry, Dr. Sayed earned his DMD from the University of Pennsylvania with an orthodontic residency at NYU. His strong belief in treating patients as friends and family has fostered friendly, caring relationships with hundreds of happy patients.
Reviews
Rating 4.8 out of 5 based on 28 reviews
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newest oldest highest lowestNicholas Harris
a year ago
Dr. Diamond is by far the best dentist I have ever been too. He really cares about his patients. He takes the time to talk to you and to explain everything to you. I really recommend Dr. Diamond if you're looking for a professional and caring dentist.
Sarah Clingan
2 years ago
Great dentist highly recommend.
Himanshu Patel
2 years ago
Friendly place
Christiana Tunnicliffe
2 years ago
I've been coming here since I was a kid. I still go because the staff are not only professionals, but you can tell they are kind individuals. I will keep going here as long as I am in Southern California.
STM
2 years ago
I would rated 5 stars because Dr. Diamond office is the best! However this last visit, the hygienist was terrible! She seemed rushed and either nervous or impatient. I'll go back to Dr Diamond as he is great and the rest of the staff is awesome! I'm sure I'll give 5 rating next time as I will be sure NOT to get that hygienist again. I would always recommend this dentist to anyone!
Kimberly C
2 years ago
Always a great experience!
Charles Osaki
2 years ago
Dr. Diamond is a terrific professional - personable, sense of humor, and explains things to me in a concise and constructive manner. Makes going to the dentist a good experience whether a routine check-up or specific work on my teeth. Hygienist is "OK." Tells me stuff but doesn't explain it.
Mara Pena
2 years ago
You guys always take good care of me.
Jack Ross
2 years ago
Xlnt dental care. Dr. Diamond takes the time to explain everything he is doing and informs the patient on what is needed to continue good dental hygiene as well care. Dr. Diamond is one of the best listeners and leaves you confident that all is good until your next visit.Great Covid-19 preventative care for everyones health concerns.
Kimberly Hattabaugh
2 years ago
Dr. Diamond has taken care of our daughter since she was 2. Always a thorough job and kind. Hygienist was wonderful as well.
Rhonda Broude
2 years ago
The dentist is very attentive to all of my dental needs. He explains everything in detail. He takes his time in assessing my dental situation. The staff is welcoming and efficient. I would recommend this dentist.
Stephanie T
2 years ago
Dr. Diamond was my dentist when I was a kid now I take both my kids to see him. (now 4 & 7) All the staff is incredible and speak to my kids with so much patience and kindness and explain every step & tool they are using along the way. I appreciate all the work of the staff and Dr. Diamond. I recommend them to everyone looking for a dentist.
Brenden Mukanos
2 years ago
Dr. Diamond's office is always a great experience. Been going there since I was a kid and have never been disappointed. Very professional, lovely staff, great with kids, I have no complaints.
Suzanne Marie Fava (Suzie)
2 years ago
I would love to give negative 10 stars if possible. I have been suffering needlessly for two years. If they just followed my primary dentist's referral for an Endodontist and not had dentists with egos misplaced I wouldn't have had four crowns on the same tooth fall out. I couldn't believe one of the dentist said oh do you want a root canal before you get a crown? As if I was the dentist. Another dentist numbed my mouth and then came poking around forgetting that I was numbed. It's supposed root canal was done and a crown was ready for the next tooth and I was refused medical care. A few days later the same dentist numbed my mouth and I asked for Clarification on a previous statement that was made to me and the dentist screamed and walked out. Let it be known that this dentist also walked in while my home health aide was with me and looked as if she/he just Walk in from an all nighter. Close wrinkled hair a mess. Stay away
Suzanne Marie Fava (Suzie)
3 years ago
I would love to give negative 10 stars if possible. I have been suffering needlessly for two years. If they just followed my primary dentist's referral for an Endodontist and not had dentists with egos misplaced I wouldn't have had four crowns on the same tooth fall out. I couldn't believe one of the dentist said oh do you want a root canal before you get a crown? As if I was the dentist. Another dentist numbed my mouth and then came poking around forgetting that I was numbed. It's supposed root canal was done and a crown was ready for the next tooth and I was refused medical care. A few days later the same dentist numbed my mouth and I asked for Clarification on a previous statement that was made to me and the dentist screamed and walked out. Let it be known that this dentist also walked in while my home health aide was with me and looked as if she/he just Walk in from an all nighter. Close wrinkled hair a mess. Stay away
Brenden Mukanos
3 years ago
Dr. Diamond's office is always a great experience. Been going there since I was a kid and have never been disappointed. Very professional, lovely staff, great with kids, I have no complaints.
Ashley Mangino
3 years ago
Don't look elsewhere - this office is amazing. Dr. Diamond was my dentist when I was growing up in the 90s, and I recently returned this month to find Dr. Diamond and his staff just as stellar as I remembered. Children and adults will feel warmly welcomed and very well cared for by this amazing team. Dr. Diamond is very patient and good at explaining what he is doing in each procedure, and what YOU need to do to maintain healthy teeth. I went in after he reopened after being closed for a while due to COVID-19, and his safety precautions were excellent. He's been in practice almost 30 years, and it's great to see what a pleasant family atmosphere he has created for his community. I was happy they remembered me after years of being away. I really appreciate small private practices like this one where the care is so personalized. As a bonus, the building, "El Mirador" is beautiful with a circular courtyard and fountain and lovely Spanish tiles.
Ashley Mangino
4 years ago
Don't look elsewhere - this office is amazing. Dr. Diamond was my dentist when I was growing up in the 90s, and I recently returned this month to find Dr. Diamond and his staff just as stellar as I remembered. Children and adults will feel warmly welcomed and very well cared for by this amazing team. Dr. Diamond is very patient and good at explaining what he is doing in each procedure, and what YOU need to do to maintain healthy teeth. I went in after he reopened after being closed for a while due to COVID-19, and his safety precautions were excellent. He's been in practice almost 30 years, and it's great to see what a pleasant family atmosphere he has created for his community. I was happy they remembered me after years of being away. I really appreciate small private practices like this one where the care is so personalized. As a bonus, the building, "El Mirador" is beautiful with a circular courtyard and fountain and lovely Spanish tiles.
Margaret Mora
8 years ago
My children have been seeing Dr. Diamond since they were toddlers and he's done such a great job with them that I decided to become a patient. My experiences have been stellar. Dr. Diamond is thorough, gentle, fast and very knowledgeable, taking the time to answer all of my questions. The entire staff including Tracy, Rose and Maria, are friendly and very accomodating. I wish I became a patient sooner! Highly recommended 5 stars!
Cheyenne A Laguana
8 years ago
This overall visit was the best by far. The receptionist was attentive and welcoming. The girl that brought me back, Martha, was very gentle while flossing my teeth just like I had asked. Dr. Diamond was lovely as always. I've gone here my entire life and he's watched me grow up and he always asks how I'm doing and what's going on in my life. I love the staff there very much and I highly recommend going there! <3
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