The global diamond industry is facing another major terminology debate as Russia introduces some of the strictest rules yet regarding the sale and description of laboratory grown diamonds.
From 1 September 2026, new Russian regulations will restrict how synthetic diamonds can be marketed, with the aim of creating a clearer distinction between natural diamonds and stones produced through laboratory technology. Under the new rules, the word “diamond” and related terms will be reserved for natural diamonds, while laboratory created stones must be identified as “synthetic”.
New Rules Focus on Consumer Transparency
The Russian government has stated that the changes are designed to improve transparency and prevent consumers from confusing synthetic stones with natural diamonds. Retailers will be required to clearly disclose the origin of the stone, and synthetic diamonds will need to be labelled accordingly.
The new regulations also restrict the use of traditional diamond terminology when describing synthetic stones. Words associated with natural diamonds, including “natural”, “genuine”, “real”, “precious”, “mined” and similar descriptions, will not be permitted in connection with synthetic products.
In addition, synthetic stones will not be marketed using traditional diamond grading language relating to colour, clarity or carat weight. Instead, their weight must be disclosed in grams rather than carats under the new framework.
A Clear Divide Between Natural and Laboratory Created Diamonds
The move reflects a growing global discussion about how the jewellery industry communicates the difference between natural diamonds and laboratory grown diamonds.
Natural diamonds are formed deep within the Earth over billions of years and are valued for their rarity, geological history and limited supply. Laboratory grown diamonds are created using advanced technology that replicates the conditions required for diamond formation, producing stones with the same chemical composition and crystal structure as natural diamonds.
The key difference is not the material itself, but the origin and rarity.
Impact on the Global Diamond Market
Russia is one of the world’s largest producers of natural diamonds, and the introduction of stricter terminology rules comes at a time when laboratory grown diamond production has expanded rapidly worldwide.
The rise of laboratory grown diamonds has transformed parts of the jewellery market, particularly among consumers seeking larger stones at lower prices. However, the significant price decline of many laboratory grown diamonds has also raised questions about long term value, resale potential and the role of rarity in diamond ownership.
For the natural diamond industry, clear terminology remains a central issue. Industry organisations have long argued that consumers should understand exactly what they are purchasing and that natural diamonds and laboratory grown diamonds should not be marketed in a way that creates confusion.
The Importance of Independent Diamond Certification
As the market continues to evolve, independent diamond certification remains essential. A professional grading report provides consumers with confidence by identifying whether a stone is natural or laboratory grown and documenting its characteristics.
Laboratories such as the Diamond Certification Laboratory of Australia play an important role in maintaining transparency and trust within the diamond trade through scientific examination and accurate reporting.
The Russian decision highlights a broader global movement towards clearer diamond disclosure. As technology continues to reshape the industry, accurate terminology and independent verification will remain critical in protecting consumer confidence.
Source: DCLA
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