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Ethical brand ratings and accreditation since 2001

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Is Diamond an ethical insurance brand?

Like other brands owned by Admiral Group PLC, Diamond is one of The Good Shopping Guide’s above-benchmark insurance providers within the Ethical Insurance sector. As it is an above-benchmark brand, Diamond can apply for apply for Ethical Accreditation to be awarded with our Ethical Mark. The Good Shopping Guide Ethical Mark is designed to support a brand’s reputation and can help consumers to identify and buy from ethical brands, as well as raise the overall ethics of an entire sector.

To see how other brands rate against Diamond within the Ethical Insurance sector, visit the Ethical Insurance Ratings Table. The table can help you to find out more about the criteria that a brand must meet to reach our minimum Ethical Benchmark.

The Good Shopping Guide encourages all brands to follow in the footsteps of our top-rated brands to adopt more ethical and sustainable practices and apply for Ethical Accreditation.

What makes Diamond an ethical insurance brand?

As a high scoring brand, Diamond receives a top score for many of our research and ratings categories. This includes Environmental Destruction, Irresponsible Lending and Political Donations, due to a lack of negative records.

Does Diamond have any bottom scores?

As a high scoring brand, Diamond does not have any bottom scores, but it does have some middle ratings to work on.

One of Diamond’s middle scores is for its Responsible Investment Policy. Diamond’s parent company, Admiral, details its policy in its recent Sustainability Report. The report states that it will not invest in “energy firms deriving 10% revenue from coal or tar sands, and no cluster munitions”. However this is more than The Good Shopping Guide’s 5% threshold for controversial investments, and therefore, Diamond does not receive a top rating in this research criterion.

What can Diamond do to improve its score? 

Diamond’s excellent score is the outcome of a calculation of multiple ethical criteria carried out by The Good Shopping Guide.

In order to improve upon its score, Diamond could work on its middle ratings, including its Responsible Investment Policy. By doing so, it could see its score rise even higher on the Ethical Insurance Ratings Table.

As one of our high scoring insurance companies, if Diamond were to apply for Ethical Accreditation, it would be awarded with our Ethical Mark and Ethical Accreditation.

Could your insurance company or brand benefit from Ethical Accreditation? Visit The Good Shopping Guide’s Ratings Tables to see which other brands within the Ethical Insurance sector have achieved our esteemed ethics and sustainability certification. Get in touch for more information or, to quickly start your application for Ethical Accreditation, fill out a rapid initial ethical assessment form.

Ethical performance in category


GSG score


GSG category benchmark


Ethical Rating


  • Environmental Report


  • Environmental Destruction


  • Carbon Disclosure & Reduction Targets



  • Irresponsible Lending


  • Political Donations



  • Ethical Accreditation


  • Responsible Investment Policy


  • Other Criticisms


= GSG Top Rating = GSG Middle Rating = GSG Bottom Rating