Editor’s Note
This article examines the stated mission of the Natural Diamond Council as it positions itself to address the growing market for synthetic diamonds.

The ambition is clear:
There is no better interlocutor to inquire about diamonds, their strengths and weaknesses, in the face of the rising power of synthetic diamonds. We interviewed Raluca Anghel, Europe Director of the Natural Diamond Council.
The Point: What are the differences between a diamond and a synthetic diamond?
Raluca Anghel:
Mass-produced in a few weeks, synthetic diamonds have specific characteristics and inclusions linked to rapid growth in an artificial environment, which can be detected using professional verification instruments. These instruments, based on various technologies, allow for the detection of differences between the structure of natural diamonds, formed underground billions of years ago, and that of synthetic diamonds, made in a few weeks in a laboratory.
The Point: Why prefer the terminology ‘synthetic diamonds’ over ‘cultured diamonds’? Anglo-Saxon countries speak of ‘lab grown diamonds’…
Raluca Anghel:
There are international standards and national regulations that must be respected when marketing these stones. Key points regarding standards: the word ‘diamond’ alone always designates a natural diamond. In general, only three terms can be used to designate a synthetic diamond: ‘diamant synthétique’, ‘diamant de synthèse’; outside France, the term ‘laboratory diamond’ can be used.
The Point: How to distinguish natural diamonds from synthetic diamonds? In practice, how can a customer ensure they are dealing with natural diamonds?
Raluca Anghel:
Another way for consumers to ensure the authenticity of their diamond is to inquire about grading certificates, or certificates of authenticity (depending on the gemology laboratory). Factory-produced synthetic diamonds must always be clearly indicated as such.
The Natural Diamond Council established the Assure program in 2019. This program is a testing regime for diamond verification instruments available on the market. The Assure program evaluates their performance through rigorous tests using very demanding sample sets, and by collecting third-party approved feedback. Industry professionals can use the Assure directory of tested instruments to guide them in choosing the device that best meets their needs.
The Point: Why do you consider diamonds to be more ecological?
Raluca Anghel:
Industry players such as the diamond conglomerate De Beers have committed to carbon neutrality by 2030, and others like Rio Tinto aim for net zero emissions by 2050. Members of the Natural Diamond Council also participate in unique carbon sequestration programs using nature-based solutions, for example with kimberlite, the only natural rock where diamonds are found.
