0843 557 3776

Diamond is an insurance group. If you’d like to speak to the Diamond head office regarding your policy or anything else, you can do so by calling 0843 557 3776.

Diamond Contact Numbers

Department Contact Number Opening Hours
Head Office 0843 557 3776 Monday-Friday: 8am-5pm
Legal Team 0843 557 5227 Monday-Friday: 8am-5pm
Complaints 0843 218 9661 Monday-Friday: 8am-5pm
Recruitment 0843 208 5576 Monday-Friday: 8am-5pm
Marketing 0843 208 5577 Monday-Friday: 8am-5pm
Payments 0843 208 5578 Monday-Friday: 8am-5pm

Head Office

The Diamond insurance head office can be found in Cardiff in Wales. It’s the home of various company departments including marketing, customer service, recruitment and the legal team. If you’d like to contact the Diamond head office for any reason, you can do so by calling 0843 557 3776. When you call, you will hear various menu options – press 1 if you wish to talk about your renewal, 2 to make a change to your policy, 3 if you are a new customer and 4 to discuss an existing claim.

Legal Team

An important part of Diamond Insurance is the legal department, which handles claims and other legal issues on behalf of customers and other insurance companies. If you’d like to speak to the Diamond legal team, you can call 0843 557 5227. When you call this number, press 4 to get through to the legal department and receive advice relating to a claim or legal issue that has occurred due to your insurance policy.


If you are a Diamond Insurance customer and you’d like to make a complaint about your policy, you can do so by calling  0843 218 9661. Your complaint could be related to the way that Diamond has handled a claim or because you’re not happy with a price increase or new term in your policy. If you’d like to make a complaint, call the number above and press 1 if your complaint relates to your renewal, 2 if it’s regarding a change to your policy or 4 if the complaint relates to a claim.


If you’d like to work in the Diamond Insurance call centre or in the head office, you can contact the recruitment team by calling  0843 208 5576. The recruitment team will be able to assist you in looking for a role that will work for you in the company, as well as advising you on the application process. When you call the above number, press 4 or hold to get through to an operator, and they will be able to transfer you to the Diamond Insurance recruitment department.


Diamond’s marketing team is responsible for creating adverts and campaigns to promote the business. If you work in the media and you’d like to speak to Diamond regarding their marketing, call  0843 208 5577. The marketing team will be able to give you extra information relating to a campaign. When you call, press 4 to get through to the marketing team.


If you’d like to make a payment to Diamond or you’d like to dispute a payment, you can call 0843 208 5578. To get through to the payments department, call this number and press 2. When you call, the payment team will be happy to assist you with changing your payment date or making a complaint.

Other Ways to Contact Diamond Insurance

If you’d like to change your policy but you don’t have time to call, you can fill in a contact form for it here.