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For some materials, distinguishing between natural and lab-grown is relatively simple, while for others it can be more complicated. For example, cerium-doped LuAG is easy to identify since no natural gem shares its appearance. However, determining whether a ruby is flux-grown or natural often requires the use of a microscope or spectrometer.

Circumstantial evidence can offer valuable insights. For instance, fine natural rubies can command prices as high as $300,000 per carat for a 5-carat gem. Therefore, if a friend known for their impeccable fashion taste but who balks at spending $1,000 on rent is spotted wearing a dazzling 5-carat ruby ring, it's reasonable to deduce that their fashion-forward style and practical financial mindset have likely led them to opt for an exquisite lab-grown gemstone.

Yes, for instance, both lab grown and natural rubies share the same Mohs hardness of 9, as they are both cut from chromium-doped corundum crystals. As a result, they exhibit the same refractive index and dispersion.

Of course! Ruby, sapphire, emerald, and diamond are celebrated for their exceptional durability and optical brilliance, making them ideal for various jewelry applications, including engagement rings and everyday wear. Our collection primarily features crystal materials with a Mohs hardness of 8 or higher. In contrast, many popular natural gemstones like quartz, tourmaline, garnet, opal, and tanzanite have hardness ratings below 8. Inclusions and cracks can compromise a gemstone’s strength, but many lab-grown stones are free from these imperfections, ensuring both beauty and resilience.

Yes, lab grown crystals are thoroughly studied for their properties and safety. While some crystals can be highly toxic, the materials available on this site all have a safety rating higher than that of quartz.

Dopants act like ingredients in a crystal recipe, determining the final color and characteristics of the gemstone. For instance, when corundum is doped with chromium, it becomes a ruby, while the addition of titanium and iron results in a blue sapphire. The concentration of chromium within the corundum lattice can create a spectrum of colors, ranging from soft pinks to rich, deep reds.

Yes!