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Frequently Asked Question:

What is Moissanite?

…is the million dollar look
without the million dollar price tag!

HOW DOES IT SPARKLE SO MUCH? – The visual characteristics of Charles & Colvard created Moissanite make it a unique jewelry category. High dispersion (0.104 and refractive index (2.65 – 2.69) inherently give moissanite more dazzling sparkle than any other jewel, while its precisely calibrated and carefully hand-cut facet patterns intensify fire and maximize brilliance.

IS IT TRUE THAT CREATED MOISSANITE CAN TEST POSITIVE AS DIAMOND USING CONVENTIONAL TESTING EQUIPMENT? – Yes!! Near-colorless created Moissanite has very similar physical properties to those of diamond. Consequently, prior to Moissanite’s initial release in the market, Charles & Colvard developed handheld testing equipment (Tester Model 590) specifically designed to easily distinguish Moissanite from diamond by testing for the absorption of ultraviolet light.

IS IT DURABLE?– A jewel’s hardness is determined by its scratch resistance, toughness by its resistance to breakage. Extremely resistant to scratching, abrasion, breaking or chipping – moissanite is durable and tough, and is second in hardness only to diamond.

IS IT HEAT RESISTANT? – Moissanite has heat resistance properties superior to many other jewels. It can be cast in place in gold, making crafting unique jewelry easy, allowing designers to offer innovative, exact-fit creations. High heat tolerance makes moissanite less likely to experience heat damage during jewelry repair because it survives extreme temperatures without altering color or composition.

IS MOISSANITE A “SIMULATED” DIAMOND OR A DIAMOND SUBSTITUE? - The answer is a resounding NO – Moissanite is not a substitute of diamond. Charles & Colvard created Moissanite is a unique near-colorless jewel (SiC) that stands on it’s own when it comes to superb fire and brilliance. From a scientific standpoint, the Moissanite used in jewelry today is a created jewel that was originally discovered in its natural state in the Canyon Diablo meteor crater located in Arizona. Moissanite is an entirely new option in affordable luxury. Charles & Colvard created Moissanite offers the value, quality and fashion that consumers demand, without the financial heft of diamond.

HOW IS CHARLES & COLVARD CREATED MOISSANITE MADE? – Single-crystal Moissanite is manufactured through a patented thermal growing process, the specifics of which are proprietary. The process is very difficult and expensive, thus preventing mass production. Today, Charles & Colvard, Ltd. is the sole source and global distributor of created Moissanite, with proprietary patents for the manufacturing process itself, as well as for its use as a jewel.

ARE THERE RESTRICTIONS AND/OR GUIDELINES IN PLACE THAT ENSURE THE QUALITY PRODUCTION OF CREATED MOISSANITE? – Every Charles & Colvard created Moissanite jewel is produced within exacting specifications and high quality control stands. The Charles & Colvard Certificate of Authenticity ensures that every Charles & Colvard created Moissanite jewel is an original product which has been manufactured in controlled facilities by highly skilled specialists used in the latest technology. Moissanite jewels are released for sale only after having met stringent quality control specifications.

WILL THE BRILLIANCE EVER FADE?No! Charles & Colvard provides a Limited Lifetime Warranty that every Charles & Colvard created Moissanite jewel will maintain its brilliance and fire for the lifetime of the owner.

IS MOISSANITE AVAILABLE IN DIFFERENT COLORS?Yes. Most Moissanite sold today is near-colorless. However, a limited quantity of green Moissanite (light, medium and dark) is also available.

IS MOISSANITE GRADED ON THE GIA DIAMOND COLOR GRADING SCALE?No. The standard GIA diamond color grading scale is not designed to rate Moissanite. Unlike diamonds, which range from colorless to brownish to fancy yellow, Charles & Colvard created Moissanite can carry undertones across the board from green to yellow to gray. It is a beautifully brilliant, highly dispersive jewel that stands on its own, creating a unique jewelry category. Only near-colorless Moissanite graded as “VG – Very Good” is available for sale.

IS MOISSANITE RESISTANT TO SCRATCHING?Yes. Second in hardness only to diamond, Moissanite is durable and tough. Moissanite is harder than a steel file and extremely resistant to scratching and abrasion.

HOW CAN MOISSANITE BE DISTINGUISHED FROM OTHER COLORLESS JEWELS? – There are three (3) methods for distinguishing Moissanite:

  • Test using the Tester Model 590
  • Determine if doubling of facet junctions is visible through magnification.
  • Look for needle-like or micro-pipe type inclusions that typically are perpendicular to the table facet and are visible only under magnification.
WHY IS MOISSANITE SOLD BY MILLIMETER AND NOT BY CARAT WEIGHT? – In order to fit available settings, it is easier for retailers to order Moissanite by millimeter. The specific gravity of Moissanite is 3.21 grams per cubic centimeter, so a 6.5mm round brilliant Moissanite jewel is approximately 0.87 carats.

HOW DO YOU CLEAN MOISSANITE? – You can clean Moissanite the same way you would diamond. As with any fine jewelry item, you would not want to dump all of your jewelry into an ultrasonic cleaner at once to guard against possible chipping, but your Moissanite jewel is perfectly safe under normal ultrasonic cleaning.

WHERE DID MOISSANITE COME FROM? - Fifty thousand years ago, a meteorite crashed into the Arizona desert. In 1893, Dr. Henri Moissan, a Nobel Prize-winning scientist began studying fragments of the meteorite from nearby Diablo Canyon. In these fragments, Moissan believed he discovered diamonds from space that had a unique fire and brilliance. After extensive research, it was concluded Moissan in fact had discovered a new mineral that was made of silicon carbide. In 1905, even though there wasn’t enough natural Moissanite to make even a pair of stud earrings, it was named moissanite in his honor. In the late 1980’s, inspired by Moissan’s discovery, Charles & Colvard, a publicly traded company, developed a proprietary process for producing large crystals of Created Moissanite. By 1995, Charles & Colvard was creating Moissanite jewels and today is the world’s sole source for created Moissanite, holding two worldwide patents.


Moissanite Diamond Colorless
2.65-2.69 2.42 1.77 2.17
0.104 0.044 0.018 0.060
Luster 20.4% 17.2% 7.7% 13.6%
9 10 9 8
Toughness Excellent Excellent* Excellent Good

*But only Good in cleavage directions. Brilliance is the combination of the luster (reflections from the surface) and internal reflections, both of which increase with the size of the refractive index. Fire increases with the size of the dispersion. For each gemstone material, the angles of the cut are adjusted to maximize brilliance and fire. Sources of specific information: GIA Handbook of Gem Identification, GEMS and Gemology article “Synthetic Moissanite: A New Diamond Substitute” - Winter 1997 p. 260 Gems by Webster, Fifth Edition

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