Tuesday, November 10, 2026 · Customer reviews of US businesses
The Fair Hearing score
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170 reviews
Diamond Warranty Corp.Select a line to read only those reviews.
Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Great products and service starts with great people. With over a century of combined experience in the automotive and extended warranty space, Diamond Warranty is an industry-leading warranty protection plan provider to new and independent dealerships since nationwide. Our portfolio contains world-class Vehicle Service Contracts, Gap Insurance, and Automotive Ancillary products backed by AmTrust Financial.
Diamond Warranty Corp. (diamondwarrantycorp.com) has 170 customer reviews on The Fair Hearing, with an average rating of 3.6 out of 5.
Showing 92 reviews with 5 stars · Clear filters
It’s everything from the customer service reps to the promptness of taking care of the issue that I would rate them the highest score! I’ll sign up again with my next vehicle. Thank you Diamond Warrenty- so happy with this company !!!
By Erin S.
Response from Diamond Warranty Corp.· Apr 16, 2019
Erin, we're happy to hear that you're happy with our customer service reps and service. :) Let us know if we can be of anymore help.
We are more than happy with our warranty. They are such a great company to work with! Great coverage, and wonderful customer service.
By WALTER W.
Response from Diamond Warranty Corp.· Apr 16, 2019
Walter, we are more than happy to have you as a customer! We're glad to hear you are satisfied with our coverage and customer service. :)
You were quite helpful with the information regarding the repair to my Jeep. The repair shop commented he called and was told he would get a call back concerning the repair. He stated he called back to get the process and paperwork started. Thank you for your help! Sincerely, Dave
By NELLA C.
Response from Diamond Warranty Corp.· Apr 16, 2019
Dave, we're so glad to hear we could help you repair your Jeep! Thank YOU. :)
Appreciate there service, we were traveling out of state and needed service, our diamond warranty worked great they paid as soon as it was processed.
By WILLIAM R.
Response from Diamond Warranty Corp.· Apr 15, 2019
William, we appreciate YOU! We'll always be there for you whether you're traveling in or out of state. :)
Great experience! I recommend you , you ,and you💯
By KIMBERLY V.
Response from Diamond Warranty Corp.· Apr 15, 2019
Kimberly, thank you for the feedback! We're glad you had a great experience with us.
I have always been skeptical of car warranty companies. I can truly say that diamond warranty Corporation has been Top Notch company to work with. I would recommend this company to families and friends.
By DANA L.
Response from Diamond Warranty Corp.· Jan 20, 2019
Dana, we appreciate the kind words and the recommendation! :)
Work with the Rep. Key. She was fast with her response in regards of letting me and my mechanic know of the approval. She was also very knowledgeable and most important very professional.
By MICHAEL A.
Response from Diamond Warranty Corp.· Jan 20, 2019
We agree, Key is pretty awesome :) Thank you for taking time to leave us feedback regarding your recent claims experience!
I brought my truck back to the dealer that I bought my truck from to analyze a problem.They found the problem in the transfer case they called Diamond Warranty and it was covered. Dealership called me back and they are fixing the problem.
By RICHARD S.
Response from Diamond Warranty Corp.· Jan 20, 2019
Richard, we appreciate your feedback! Let us know if you need any additional help regarding your claim. Thanks!
