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Ethical brand ratings and accreditation since 2001

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How ethical is Diamond?

Diamond is an insurance company which has achieved an acceptable score on The Good Shopping Guide’s Ethical Insurance Ratings Table but Ethical Accreditation has not yet been achieved.  This is important because it provides additional warranty on the company’s wider ethical, sustainable, and social policies and records.

Read more about the issues facing the Ethical Insurance sector and find out which companies have achieved accreditation for their commitment to being ethical and sustainable.

What does Diamond do?

Diamond is a car insurance provider aimed specifically at female drivers. Parent company Admiral Group UK started in 1991 as a division of the Brockbank Group before being purchased by Barclays Private Equity in 1999 and floated on the London Stock Exchange in 2004.

In which areas does Diamond perform well?

Diamond performs well for most of our criteria relating to the environment and emissions. Parent company, Admiral Group, has published a Sustainability Report which includes a number of targets as well as emissions disclosures and Net Zero by 2040 goal. However it is only given a middle rating for its Environmental Report, as there is little in the way of other information regarding the environment in the report.

The above benchmark score that Diamond is awarded on The Good Shopping Guide’s Ethical Insurance Ratings Table is the result of an evaluation of multiple ethical criteria. Find out more about how we rate.

What can Diamond do to improve its ethical score?

Diamond was only awarded a middle rating for our criteria concerning its Responsible Investment Policy, as the list of published exclusions to investment revenue does not cover some interests such as weapons, oil or gambling.

We would also encourage Diamond to lower its thresholds regarding fossil fuel revenue, as it currently allows companies making up to 10% of their revenue from these sources which is over our threshold.

If it applies for Ethical Accreditation, The Good Shopping Guide would be able to offer some guidance on this to enable Diamond to improve its score. If successful in its application, Diamond would join the certified ethical brands leading the way in progressive and sustainable practices and be permitted to display The Good Shopping Guide’s Ethical Mark in its communications.

If you’re interested in learning more about achieving Ethical Accreditation for your brand, please contact us or complete a Free Initial 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