As you begin your research into diamonds, you may come across the terms lab-grown, man-made or cultured diamonds. These terms are used interchangeably across the jewellery industry and are merely used to describe the scientific process of growing diamonds. If you’re considering purchasing a diamond, we want you to be able to make the best decision based on facts, so that you can confidently pick the diamond that feels right for you.

So what is a cultured diamond? A cultured diamond is precisely that, a diamond. However, they are not born over billions of years under extreme temperatures and pressure within the Earth’s mantle, these diamonds are grown under highly controlled laboratory conditions that replicate the Earth's natural growth process of crystallising carbon. And it has taken almost sixty years to develop this specific technology to produce gemstone quality diamonds. Because the laboratory process mimics natural growth, there are still variations in colour and clarity of and just like mined diamonds, no two diamonds are exactly alike.
These are chemically, optically and physically identical to earth-mined diamonds. They exhibit the same visual properties of fire, scintillation, and sparkle.

Lab-grown diamonds are categorised as either High-Temperature (HPHT) or Chemical Vapour Deposition (CVD), depending on their method of production. At Louise Jean our lab-grown diamonds are produced using the CVD method of production, considered to be one of the very best in the industry.


Lab-grown diamonds offer a traceable, sustainable, real alternative to mined diamonds. Whatever type of diamond you decide to purchase Louise Jean can provide a beautiful custom piece to showcase its unique beauty.


If you still have some questions about our Cultured diamonds, please don't hesitate to get in touch with us.

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