The Membership to Diamonds Standards Organization is open to all professionals and companies from the diamonds, precious gemstones, jewellery and watches sectors.

The Members are required to comply with the DSO Professional Code of Practice and source diamonds and gemstones only from known licensed/certified suppliers in compliance with international trade regulations and with Kimberley Process Certification Scheme.

All DSO Members qualify for the DSO Certified Ethical Trader (CET) Certificate. The CET Certificate enables Members to assign Certificates of Ethical Compliance (CEC) to their product.

The certifications are designed to safeguard professionals and consumers on the comformity of their jewellery, diamonds and gemstones purchases.