Corporate Social Responsibility


  • Our diamonds are natural and untreated.
  • Our diamonds are natural, free from treatment and screened to test that no Laboratory Grown Diamonds (LGD) are used.
  • Our diamonds are purchased from legitimate sources not involved in funding conflict.
  • Our diamonds are sourced in compliance with the Kimberley Process and United Nations Resolutions.

Brown & Newirth hereby guarantees that their diamonds are conflict free based on personal knowledge and/or written guarantees provided by the supplier of these stones


Our Jewellery is independently verified for fineness by the Goldsmiths’ Company Assay Office, London.

Responsible Jewellery Council

Brown & Newirth Ltd are certified by the RJC. The RJC is the global membership and standards body for responsible jewellery throughout the entire supply chain from mine to retail – including high standards in business ethics and human rights along with enhanced social and environmental performance.

Goldsmiths’ Craft & Jewellery Council

Brown & Newirth Ltd are proud principle patrons of the GCDC, responsible for promoting excellence in Craftsmanship & Design together with nurturing the future talent for our industry and supporting The Goldsmiths’ Company Apprenticeships Program.

Other industry groups

  • Brown & Newirth Ltd are members of The Company of Master Jewellers
  • Brown & Newirth Ltd are members of Houlden, Jewellers of Excellence
  • Brown & Newirth Ltd are members of The National Association of Jewellers