Lab-grown diamonds, also known as synthetic or cultured diamonds.

Lab-grown diamonds, also known as synthetic or cultured diamonds, are diamonds that are created in a controlled laboratory environment rather than being formed naturally in the Earth's mantle. They have the same physical, chemical, and optical properties as natural diamonds, making them virtually indistinguishable from them. These diamonds are produced using two main methods: High Pressure High Temperature (HPHT) and Chemical Vapor Deposition (CVD). Lab-grown diamonds are often considered more ethical and environmentally friendly, as they do not involve mining, which can have significant environmental impacts. Additionally, they are typically more affordable than natural diamonds.