Russia has issued new guidelines effective September 1, requiring lab-created diamonds in jewelry to be labeled as 'synthetic' and weighed in grams instead of carats. The term 'diamond' is now reserved exclusively for natural stones. These rules, aimed at improving transparency, also prohibit using quality and color terms commonly associated with natural diamonds—such as precious, real, genuine, natural, mineral, or eco-friendly—for lab-created stones. This move aligns with similar restrictions from the African Diamond Producers Association (ADPA), India's Bureau of Indian Standards (BIS), and French regulators, signaling a global shift in diamond terminology standards that overseas jewelry buyers must monitor for compliance and labeling updates.
Supply-chain impact
For jewelry importers and distributors, Russia's new rules mean that any lab-created diamond jewelry destined for the Russian market must be relabeled with 'synthetic' and weight in grams. This could require adjustments in packaging, product descriptions, and inventory management. Suppliers exporting to Russia should review their current labeling practices to avoid customs delays or penalties. The shift away from carat weight may also affect pricing strategies, as gram-based pricing differs from the traditional carat system.
Compliance and logistics signals
Russia joins a growing list of jurisdictions—including India, France, and the ADPA member countries—that are tightening rules on how lab-created diamonds are marketed. This trend suggests that global regulatory harmonization is unlikely in the near term. Buyers sourcing from multiple regions should prepare for fragmented compliance requirements. For example, a lab-created diamond ring sold in both Russia and the EU may need different labels and weight units. Staying updated on each market's specific terminology rules is essential to avoid mislabeling risks.
What buyers should watch
Overseas buyers should monitor how these labeling changes affect consumer perception and demand in Russia and other adopting markets. The ban on terms like 'eco-friendly' for lab-created stones could reduce their appeal to environmentally conscious consumers, potentially shifting demand toward natural diamonds. Additionally, the gram-based weight requirement may create confusion among retailers and end customers accustomed to carats. Suppliers should consider providing conversion guides or dual labeling to ease the transition.
China sourcing context
China is a major producer of lab-created diamonds, and its exporters often supply to markets like Russia. Chinese manufacturers should note that their current labeling practices—which may use terms like 'cultured' or 'eco-friendly'—will not comply with Russia's new rules. OEM/ODM suppliers should proactively update product tags and certificates to meet Russian standards. This could also present an opportunity for Chinese firms to offer compliant packaging solutions to international clients, reinforcing their role as reliable sourcing partners.
> "The main goal of the new rules is to improve transparency in the jewellery display and protect consumers," said Alexey Moiseev, deputy minister of finance of the Russian Federation. "These approved changes aim to make relationships between jewellery sellers and consumers more honest and transparent."
Source: Read the original report | Published: June 16, 2026