Spotting a Moissanite being sold as a Diamond:

Moissanite is a beautiful man made stone, and more expensive than CZ.  When viewed under natural daylight it exhibits about twice the fire and scintillation of a natural diamond.  The brilliant flashes and play of kaleidoscopic colors are truly impressive.  Because of its superior light performance,  some women prefer Moissanite to diamond when they are compared side by side.  Unfortunately, the disadvantage is that Moissanite is a laboratory grown crystal and even if it is more fascinating to look at, it does not carry the romantic associations that are inherent in a natural diamond .

If you know a few details to look for, it is not difficult to spot a Moissanite from a diamond.  First, even though the scintillation and fire is greater than diamond, the body color of a Moissanite is noticeably darker than a diamond.  In low light conditions you will see a slight grey-green and yellow cast that is not present in natural diamonds.

Also, Moissanite has a natural grain in the body of the stone called rutilation, that is not present in diamonds. You can't see the grain when you look into the center of the stone, so it does not detract from its beauty.  If you look closely through the crown angle facets you should be able to identify tiny perpendicular pipes running from the top toward the bottom of the stone.

Two final tips about Moissanite:  First, the round cuts have a cleaner and lighter body color that is more approximate to that of a diamond while the fancy shapes such a Princess, Marquise and Pear are darker in body color.  Second, improved laboratory conditions have very recently yielded pure white Moissanite, which should be available to the public later this year, and these gems will be very difficult to tell from high quality diamonds.

Scintillation of Moissanite versus Diamond



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