1. Lab-grown diamonds are real diamonds. Lab-grown diamonds in the lab are the same as real diamonds - they are made of pure crystalline carbon. 2. Lab-grown diamonds are cost-effective. Opt for lab-grown diamonds and you can get a larger or better-quality diamond for the same budget. 3. Lab-grown diamonds is an ethical choice. Conventional mining of diamonds has long been considered unethical. 4. Lab-grown diamonds look exactly like mined diamonds to the naked eye. One of the biggest advantages of buying a lab-grown diamond is that it looks exactly like a mined diamond to the naked eye. 5. Lab-grown diamonds come in a wide variety of design options. Like mined diamonds, lab-grown diamonds offer a variety of modern design options, and lab-grown diamonds can be obtained in many different shapes and settings.