If you’ve ever researched natural diamonds, their origins, their value, or the ethics behind their sourcing, you’ve likely come across the Natural Diamond Council. It’s the organisation behind many of the campaigns, educational resources, and industry standards that shape how natural diamonds are perceived and purchased globally. But what exactly does the council do, who funds it, and why should it matter to you as a buyer?

At A Star Diamonds, we work with ethically sourced natural diamonds every day in our Hatton Garden workshop. Understanding the organisations that uphold standards across the diamond supply chain isn’t just industry knowledge for us, it directly affects the quality and integrity of the stones we source for our clients’ bespoke engagement rings and wedding bands. That’s why we believe this context is worth sharing.

This article breaks down the Natural Diamond Council’s mission, how it’s funded, and the role it plays in protecting both the reputation of natural diamonds and the interests of people buying them. Whether you’re comparing natural and lab-grown options or simply want to understand what goes on behind the scenes, you’ll find the answers here.

What the Natural Diamond Council is

The Natural Diamond Council (NDC) is an international non-profit organisation that represents the world’s leading natural diamond producers. Founded in 2020, it replaced a previous industry body called the Diamond Producers Association, which had been operating since 2015. The NDC exists to promote consumer confidence in natural diamonds by providing accurate, transparent information about their origins, characteristics, and what sets them apart from laboratory-grown alternatives. It operates globally but holds particular influence across major jewellery markets including the UK, the US, and Europe.

The organisation’s origins

The NDC was formed when seven of the world’s largest diamond mining companies recognised the need for a unified, credible voice in the marketplace. Members include De Beers, ALROSA, Rio Tinto, Petra Diamonds, and Lucara Diamond Corp, among others. These producers came together to create a single body capable of speaking on behalf of the entire natural diamond supply chain, replacing the more limited structure of the Diamond Producers Association with something broader, better resourced, and more directly consumer-facing.

The NDC’s formation marked a significant shift in how the diamond industry chose to communicate with buyers, moving from fragmented producer messaging towards a coordinated, facts-based approach.

Its core purpose

The natural diamond council focuses on three main areas: consumer education, ethical sourcing advocacy, and industry standards. It produces research, guidelines, and educational content designed to help both retailers and buyers understand the full journey of a natural diamond, from extraction at the mine to the finished piece of jewellery on your finger. Rather than simply driving sales, the NDC aims to ensure that buyers have access to reliable, verified information about origin, environmental impact, and the communities that responsible diamond mining supports. That level of transparency is directly relevant when you are investing in something as significant as a bespoke engagement ring.

Why the NDC matters to diamond buyers

The natural diamond council acts as a safeguard for buyers in a market that can feel overwhelming. When you search for an engagement ring, you’ll encounter conflicting claims about value, ethics, and authenticity. The NDC exists to cut through that noise by providing verified, independent information about what natural diamonds are and what they represent.

How the NDC protects your purchase

Buying a natural diamond is a significant financial and emotional decision. The NDC sets industry-wide standards that retailers must meet to make credible claims about sourcing and origin. When you buy from a jeweller aligned with NDC principles, you gain assurance that the stone in your ring has been sourced responsibly and that the information you receive is accurate and traceable.

The NDC’s transparency standards mean you can ask the right questions at the point of purchase and expect honest, substantiated answers.

What the NDC means for value

Natural diamonds hold long-term value in a way that laboratory-grown alternatives currently do not. The NDC helps preserve that distinction by educating buyers on the factors that drive diamond value, including rarity, geological origin, and the centuries of natural formation that no laboratory process can replicate.

How to use NDC guidance when buying a ring

The Natural Diamond Council publishes educational resources you can access before you visit any jeweller. Using these materials gives you a working knowledge of the right questions to ask about origin, certification, and sourcing standards.

Arriving informed means you can hold any jeweller accountable from the very first conversation.

Verify sourcing before you commit

When you sit down with a jeweller, ask directly whether their diamonds align with NDC sourcing principles. A credible jeweller will explain where their stones come from and back that up with certification from a recognised grading laboratory such as the GIA or IGI.

That paper trail is what separates a reliable purchase from a leap of faith. If a jeweller cannot trace a diamond’s origin clearly, treat that as a warning and look elsewhere.

Use NDC resources to sharpen your knowledge

The NDC covers the 4Cs of diamond quality, origin transparency, and responsible mining in plain, accessible language. Reading this content before you shop means you arrive with genuine context rather than relying solely on what you’re told.

Understanding the difference between natural and lab-grown stones helps you make a choice based on facts rather than sales pressure alone. Both are valid options, but knowing the distinction matters.

Who funds the Natural Diamond Council

The Natural Diamond Council is funded directly by its member mining companies, which are among the largest natural diamond producers operating globally. Each member pays annual contributions that cover the NDC’s running costs, consumer campaigns, industry research, and educational resources. This funding model keeps the organisation independent from individual retailers, which gives its standards and guidance a level of credibility that purely commercial sources cannot match.

Because the funding comes from producers rather than retailers, the NDC’s focus sits firmly on the upstream supply chain, where sourcing decisions actually happen.

Member producers and their contributions

Founding members of the NDC include De Beers, ALROSA, Rio Tinto, Petra Diamonds, and Lucara Diamond Corp. Each contributes financially according to its production volume, so larger producers bear a greater share of costs while smaller members still have an equal voice in governance.

This structure gives the NDC significant collective resources to invest in transparency initiatives, responsible sourcing standards, and consumer education. For you as a buyer, that means the information the NDC publishes is backed by the full weight of the global natural diamond industry, not a single company’s marketing budget.

Key NDC initiatives and resources to know

The natural diamond council runs several initiatives worth knowing before you buy. These programmes go beyond general promotion and give you practical tools to verify claims, understand sourcing, and approach your purchase with real confidence.

The Only Natural Diamonds platform

The NDC operates Only Natural Diamonds, a consumer-facing website that covers everything from the 4Cs to origin stories from individual mines. You can use it to deepen your understanding of what makes each natural diamond unique before you step into any consultation. The content is written for buyers rather than industry insiders, so it’s genuinely accessible.

This resource is one of the clearest starting points available if you want to arrive at your jeweller already knowing the right questions to ask.

Responsible sourcing standards

The NDC publishes responsible sourcing guidelines that member producers must meet across environmental, social, and governance criteria. These cover land rehabilitation after mining, community investment in producing regions, and worker welfare standards throughout the supply chain.

Knowing these standards exist gives you a baseline to reference when a jeweller makes claims about ethical sourcing. If their supplier is an NDC member, those claims carry verifiable weight rather than marketing language.

Next steps for confident diamond buying

You now have the context to approach a natural diamond purchase with genuine clarity. The Natural Diamond Council gives you a framework for understanding what responsible sourcing looks like and what specific questions to ask before you commit. Use their published resources, request certification from a recognised grading laboratory such as the GIA or IGI, and hold your jeweller to a clear account of where your stone comes from.

Choosing a natural diamond for an engagement ring is one of the most personal decisions you’ll make. At A Star Diamonds, our Hatton Garden goldsmiths and gemologists guide you through every stage, from selecting an ethically sourced stone to creating a ring that reflects your story. Every piece we make is UK-crafted and backed by lifetime benefits including free resizing, polishing, and engraving at no extra cost.

Book a bespoke engagement ring consultation with A Star Diamonds and bring your questions with you.