Is Moissanite A Real Diamond

Moissanite, not a diamond, is the closest physical and optical effect to diamond, a gemstone that looks very similar to diamond and is often used as a substitute for diamond. Compared with diamond, moissanite is a combination of carbon and silicon minerals, while the latter is formed by natural growth underground. Compared to natural diamonds, natural diamonds are formed by the natural growth of carbon minerals in the ground, and are the hardest substance in nature, with a hardness of 10. Moissanite, on the other hand, is a combination of carbon and silicon minerals, which has high risk and low yield, and is second only to diamond in hardness, with a hardness of 9.25.

Moissanite Gemstone

Moissanite are not natural diamonds

Moissanite is not a natural diamond, its chemical name is synthetic silicon carbide. Moissan, on the other hand, is very similar in appearance to diamond and is often used as a substitute for diamond, and it is a man-made gemstone whose physical properties and optical effects are closest to natural diamonds.

Moissanite itself is colorless, but this gemstone has a high refractive index, so it can produce different effects of fire in different environments depending on the intensity of the light. Its fire is so rich that it can appear yellow even in dim light environments, and the fire effect is more than 2.5 times that of natural diamonds.

The difference between moissanite and diamond

  1. The output is different
    Although moissanite has a small yield in nature, it is very convenient to synthesize artificially, and the moissanite we see now is basically synthetic;
    Diamonds are a scarce “species”, and there are very few truly natural diamonds that cannot be synthesized.
  2. The production method is different
    Moissanite drilling processing is simple, generally only need to have professional tools, can be produced in a few days;
    Diamonds undergo a series of processing processes such as mining, cutting, and polishing, and have high requirements for the process.
  3. The fire color is different
    The fire of moissanite is more than 2.5 times that of diamond, emitting warm light, and the color is more brilliant and vivid than that of diamond;
    Diamonds have an emitting cold light, dominated by soft and cool blue light.
  4. The composition elements are different
    Diamonds are made of elemental carbon, and moissans are made of silicon carbide.
  5. The hardness is different
    Diamonds have a hardness of 10, moissanese diamonds are about 9.25, they can also cut glass, both are afraid of violent impacts.
  6. The density is different
    Diamonds are denser than moissanite. Tested with a liquid of diiodomethane, the moissanite will float and the diamond will sink. If a moissanite is cut to a size of one carat of diamonds, the weight of a moissanite diamond will be less than 1 carat.
  7. The refractive index is different
    Due to the different crystal structures, moissanite are birefringence and diamonds are monorefring, so the fire of moissanite is more dazzling than diamonds.
  8. The price is different
    Generally, moissanite are only a few tenths the price of diamonds. Moissanite over one carat are even 1/100th of the price of a diamond. A carat diamond on the market sells for about 5000-30000 $, while a one-carat moissanite usually does not cost more than 700 $, and some even only a few hundred $.

Moissanite color

The color determines how yellow-white moissanite is. Moissanite color is divided into 11 grades, in order: D, E, F, G, H, I, J, K, L, M, N. The closer to the D color, the more transparent moissanite is, the G-H color can hardly feel the presence of the color with the naked eye, and the more yellow the J color is.

Moissanite clarity

Moissanite belongs to the hexagonal crystal system, which can be crystallized to 2-3 inch columnar crystals, and some materials can be made of IF (Internally Flawless) flawless grade (no inclusions in diamonds, only very minor imperfections, usually removed by polishing); Most synthetic silicon carbide has fine white thread-like inclusions composed of white spots, and the detection is mostly micro-defective VS or defect-grade SI. The direction of its inclusions is about perpendicular to the tabletop, and it is not exactly parallel to each other (there is a difference of several degrees); Very few have dark metal balls.

In general, there are many differences between moissanite and diamonds. As long as you like moissanite, its cost performance is definitely higher than that of diamond, and moissanite can never fade. It is also a gemstone that represents love, and many young people are becoming more and more fond of moissanite jewelry.


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