Diamonds Standards Organization(DSO) protects professionals and reassures customers on the ethical sourcing of diamonds and gemstones. 

Customers sensible to the ethical footprint of natural polished diamonds and gemstones find reassurance in the commitment to compliance of DSO Members. The DSO Certified Ethical Traders can issue certificates to accompany the purchase to declare the gemstone natural and ethically sourced.

DSO facilitates trade by standardizing ethical compliance in natural polished diamonds and gemstones. All industry professionals that operate under the international trade regulations are eligible for membership.

DSO Members comply with the international trade regulations. DSO Certified Ethical Traders may assign a Certificate of Ethical Compliance to diamonds and gemstones in accordance with the DSO Professional Code of Practice.

DSO is a Swiss non-profit international organization set up to safeguard consumers and professionals around the world on the ethical compliance of natural polished diamonds and gemstones. 

DSO promotes ethical sourcing and Kimberley Process Certification Scheme (KPCS). Diamonds Standards Organization is a registered civil society on the United Nations (UN) Department of Economic and Social Affairs (DESA) registry.