SCS-007 Standard — Sustainability Certification for Laboratory-Grown Diamonds
SCS-007 Standard — Sustainability Certification for Laboratory-Grown Diamonds
An SCS Global protocol for climate-neutral, ethically produced lab diamonds
The SCS-007 Standard is a sustainability certification protocol for laboratory-grown diamonds administered by SCS Global Services, the California-based independent third-party certifier. The standard verifies climate-neutral production, ethical labour practices, transparent supply chains, and a defined set of environmental and social criteria across the manufacturing process. Producers whose facilities and processes pass SCS-007 audit are entitled to market the resulting diamonds as meeting the standard, and may use the SCS-007 mark on packaging, certificates of authenticity, and consumer-facing material. The standard applies exclusively to laboratory-grown material, not to mined diamonds, and is one of several voluntary frameworks competing to define what "sustainable" means in the lab-diamond market.
Scope and requirements
The SCS-007 protocol assesses the laboratory-grown diamond producer against a multi-pillar framework. The first pillar covers energy sourcing and carbon impact: producers must source their electricity from renewable or carbon-neutral sources, or must offset their emissions through certified offset programmes that meet SCS's verification requirements. The synthesis processes for laboratory diamonds — chemical vapour deposition for CVD diamond, high-pressure high-temperature for HPHT diamond — are energy-intensive, and the carbon footprint of the resulting diamond depends almost entirely on the cleanliness of the electricity supplied to the production line. SCS-007 verifies the energy-source claims through documentation of grid mix, renewable energy contracts, and any offset programmes employed.
The second pillar covers ethical labour practices and human rights. Producers must demonstrate compliance with International Labour Organization core conventions on forced labour, child labour, freedom of association, and discrimination, with documented policies and audit results. The third pillar covers supply-chain transparency: producers must demonstrate chain-of-custody documentation from synthesis through cutting, polishing, and final sale, with each stage verifiable through audit records. The fourth pillar covers environmental impact beyond carbon — water use, chemical handling, waste management, and end-of-life processing of equipment and materials.
Audit and certification process
SCS-007 certification requires a documented application, an on-site audit by SCS auditors, and ongoing surveillance audits to maintain the certification. The audit examines production records, energy procurement contracts, labour practices, supply-chain documentation, and the consistency of the producer's claims with the on-site reality. Certification is granted to specific facilities and product streams rather than to entire corporate entities, which means a producer can certify some lines and not others, or some facilities and not others. Re-certification is required at intervals defined by the standard, with annual or biennial surveillance audits in between.
Certified producers receive the right to use the SCS-007 mark on certified material and on packaging, certificates of authenticity, and marketing material directly relating to certified product. The mark is not a generic sustainability certification; it specifies SCS-007 compliance and points back to the SCS audit framework that supports the claim. Producers must maintain documentation supporting the chain of custody between certified production and the marketed product, with the documentation available to SCS for verification.
Position in the market
SCS-007 sits within a broader landscape of voluntary sustainability certifications competing to define environmental and ethical claims in the diamond and jewellery trade. Other relevant frameworks include the Responsible Jewellery Council Code of Practices, the Initiative for Responsible Mining Assurance, and various brand-specific or country-specific programmes. The Kimberley Process Certification Scheme, the principal international certification framework for diamonds, addresses conflict diamonds in the rough trade but does not address the broader environmental or labour questions that SCS-007 covers, and applies primarily to mined material rather than laboratory-grown.
The standard has been adopted by a small but growing number of laboratory-grown diamond producers, including some of the larger CVD producers serving the bridal market. Adoption is concentrated among producers who target the consumer segment that values documented sustainability claims and who are willing to bear the cost of audit and certification. Producers serving the industrial diamond market, where the customer values function over sustainability claims, have been slower to adopt the standard. The cost of SCS-007 certification — covering the audit fees, the ongoing surveillance, and any production-side investments needed to meet the requirements — is meaningful and is reflected in the pricing of certified product.
Critiques and limitations
SCS-007 has been criticised on several grounds. The reliance on offset programmes for emissions has been criticised as a weak substitute for actual emissions reduction; offsets vary in quality and verification, and a diamond produced on coal-fired electricity and offset through a forestry programme has a different real-world carbon profile from a diamond produced on solar electricity, even if both pass the standard. The audit cost is high enough to favour large producers over small ones, which limits the standard's applicability to the artisanal and smaller-batch end of the lab-diamond market. The standard's voluntary status means that compliance is a marketing differentiator rather than a regulatory requirement; non-certified producers are not penalised, and consumers often cannot distinguish meaningfully between certified and uncertified product without studying the claims carefully.
The standard does not address the underlying question of whether laboratory-grown diamonds are inherently more or less sustainable than mined diamonds. That comparison depends on too many factors — the mine's energy source, the mine's labour practices, the lab's energy source, the lab's offset choices — to support a clean rule. SCS-007 verifies a defined set of practices for the certified producer, which is more than the consumer can usually verify independently, but it does not settle the broader debate.
SCS-007 versus producer self-claims
The principal value of an SCS-007 certificate over a producer's own sustainability marketing is the third-party verification. Producer marketing claims around carbon neutrality, ethical labour, and sustainable production are not regulated under any meaningful framework in most jurisdictions, which means a producer can make broad sustainability claims without independent verification. SCS-007 documents the verification, audit trail, and surveillance regime supporting the claim, and gives the buyer something concrete to point to beyond the producer's own marketing. For consumers and retailers who care about the claim, this independent verification is the substantive difference; for those who do not, the standard is invisible.
In the trade
SCS-007 certification appears on a meaningful share of consumer-facing laboratory-grown diamond product, particularly at retailers and brands that have adopted sustainability messaging as part of their positioning. Buyers asking about the sustainability of a laboratory-grown diamond may be presented with an SCS-007 certificate as part of the documentation, and the certificate carries weight as a third-party verified claim, distinguished from the producer's own sustainability marketing. The standard does not apply to mined diamonds. See also SCS Global, laboratory-grown diamond, Kimberley Process, Responsible Jewellery Council.