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Your Trusted Insurance Partner in Cardiff
Diamond Insurance has been a trusted provider of comprehensive insurance solutions since becoming part of the Admiral Group in 1998. Our team of experienced professionals brings decades of combined expertise in motor, home, travel, and commercial insurance, ensuring tailored coverage for diverse client needs. As an FCA-authorised insurer, we maintain rigorous compliance standards while leveraging advanced technology to deliver efficient, customer-centric services.

Our commitment to transparency is demonstrated through clear policy terms, flexible payment options, and 24/7 claims support. With over 25 years of operational history under the Admiral Group umbrella, we combine industry-leading experience with innovative digital tools to provide accessible, reliable insurance solutions across the UK.
Services
Car Insurance Home Insurance Travel Insurance Van Insurance MultiCar Insurance
Highlights and features
  • 24/7 legal advice helpline included with all policies
  • MultiCar discounts for households with multiple vehicles
  • FCA-authorised insurance provider since 1998
  • Online policy management with instant quote updates
  • Cashback rewards through Quidco and TopCashback partnerships
Associations and certifications
  • Financial Conduct Authority
What people say
Quick claims process Competitive premiums 24/7 customer support Easy online management Multi-car discounts
Services
Car Insurance
Comprehensive car insurance policies with flexible coverage options including third-party, fire & theft, and fully comprehensive protection. Customers benefit from 24/7 breakdown assistance, personal injury cover, and hire vehicle options. Policies include multi-car discounts for households with multiple vehicles.
Home Insurance
Tailored home insurance solutions covering buildings, contents, and combined policies. Features include accidental damage protection, emergency repairs, and coverage for high-value items. Available for standard residential properties and specialist requirements.
Travel Insurance
Multi-trip and single-trip travel insurance policies covering medical emergencies, trip cancellations, and lost luggage. Available for UK residents traveling within Europe and worldwide destinations, with options for winter sports and adventure activities.
Van Insurance
Specialist van insurance for business use, including courier services, tradespeople, and delivery operations. Coverage includes goods in transit, tool protection, and breakdown assistance tailored to commercial vehicle requirements.
MultiCar Insurance
Discounted insurance packages for households with multiple vehicles. Features include consolidated policy management, flexible driver arrangements, and premium savings through bundled coverage of two or more cars under single administration.
Questions
Can I get immediate car insurance cover?
Yes, Diamond Insurance offers immediate cover. You can get an instant quote online and start your policy straight away through our secure system.
What payment options are available?
We accept Visa, MasterCard, American Express, Maestro, Visa Debit/Delta, and Direct Debit payments for both full and instalment payments.
How secure is my personal information?
We use advanced encryption technology to protect your data. Our security measures meet industry standards for online financial transactions and personal information storage.
What is a No Claims Bonus?
Your No Claims Bonus (NCB) accumulates for each claim-free year, providing premium discounts at renewal. It builds up to a maximum of 15 years' worth of discount potential.
How does the excess work on claims?
All policies have compulsory excess amounts determined by your vehicle details and driver profile. You can choose to add voluntary excess to reduce premiums, which you'll pay in addition to compulsory excess when making a claim.
What's the email response time?
Our customer service team aims to respond to all email inquiries within 24 hours during standard business operations.
Reviews (1)
Chrissy Hunt
Oct 07, 2021 Report
Loved the whole experience. They made things very easy in a sad time. My diamond and ring are beautiful. Just an all around pleasant experience.