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What is the Realest Fake Diamond?

Published in Diamond Simulants 3 mins read

The "realest fake diamond" is widely considered to be Moissanite. This popular gemstone offers an impressive visual resemblance to natural diamonds, making it a top choice for those seeking an alternative.

Understanding Diamond Alternatives

When discussing diamond alternatives, it's crucial to distinguish between true "fake diamonds" (known as simulants) and lab-grown or synthetic diamonds.

  • Diamond Simulants: These are gemstones that look like diamonds but have different chemical compositions and optical properties. They are "fake diamonds" in the sense that they are not carbon structures like natural diamonds. Moissanite and Cubic Zirconia (CZ) are prime examples.
  • Synthetic Diamonds (Lab-Grown Diamonds): These are real diamonds. They possess the exact same chemical, physical, and optical properties as natural, mined diamonds, differing only in their origin (grown in a laboratory rather than extracted from the earth). While they are excellent diamond alternatives, they are not "fake" diamonds; they are authentic diamonds produced by technological means.

Why Moissanite Stands Out Among Simulants

Moissanite is often heralded as not only the best fake diamond but also a leading diamond alternative because of its unique properties that mimic a diamond's brilliance and durability.

Key Advantages of Moissanite:

  • Exceptional Hardness: A significant advantage of Moissanite over other diamond simulants like Cubic Zirconia is its remarkable hardness. On the Mohs scale of mineral hardness, Moissanite scores between 9.25 and 9.5, making it incredibly durable and suitable for everyday wear, second only to diamonds (which score a 10). This makes it highly resistant to scratches and abrasions.
  • Brilliance and Fire: Moissanite exhibits a higher refractive index than diamonds, leading to greater "fire" (dispersion of light into spectral colors) and brilliance. This optical property gives it a distinct sparkle, often more colorful than a diamond.

Considerations for Moissanite:

  • Light Management: While Moissanite boasts impressive fire, its light management can sometimes be too intense, resulting in a "rainbow effect" that some find discernible from a diamond's pure white sparkle. This is a primary differentiator for those with an expert eye.

Moissanite vs. Synthetic Diamonds

While many consider Moissanite the best "fake diamond," it's worth noting that experts might argue that synthetic diamonds are the best diamond alternative overall, precisely because they are genuine diamonds. The choice between Moissanite and a synthetic diamond often comes down to budget and whether authenticity (being a real carbon diamond) or visual resemblance (being a compelling simulant) is the priority.

Feature Moissanite (Simulant) Synthetic Diamond (Lab-Grown) Natural Diamond (Mined)
Composition Silicon Carbide (SiC) Pure Carbon (C) Pure Carbon (C)
Origin Lab-created Lab-created Earth-mined
Hardness 9.25-9.5 (Mohs) 10 (Mohs) 10 (Mohs)
Brilliance High; distinct "rainbow fire" due to higher dispersion High; identical to natural diamond's white sparkle High; classic white sparkle
Cost Significantly lower than natural or synthetic diamonds Generally 30-50% less than natural diamonds of similar quality Highest
Identity Diamond simulant ("fake diamond") Real diamond Real diamond
Best For Those prioritizing visual appearance and durability at a lower cost Those desiring a real diamond with ethical sourcing and lower cost Those valuing traditional origin and investment potential

Making Your Choice

When selecting a diamond alternative, consider your priorities:

  • Budget: Moissanite offers a stunning look at a fraction of the cost of both natural and synthetic diamonds.
  • Appearance: Do you prefer the distinct rainbow fire of Moissanite or the classic white sparkle of a diamond?
  • Authenticity: Is it important for you to have a "real" diamond, even if it's lab-grown, or is a highly realistic simulant acceptable?

Moissanite remains an outstanding choice for those seeking the most convincing "fake diamond" due to its impressive hardness and sparkling appearance, making it a durable and beautiful option for jewelry.